Fossilized remains of a horn thought to be of a triceratops found in sedimentary rock in 2011 has been dated to be 65.5 million years old and thus is evidence that dinosaurs existed shortly before the asteroid impact that is believed to have made them extinct.

The best way to instill good habits in a dog is to condition it with short verbal commands and edible rewards before they solidify bad habits when aging takes effect.

The festival of Songkran always brings widespread levity and a rush of visitors to Thailand in that the throwing of water on others in the street is encouraged.

The bricks that were used in the construction of the West Virginian Georgian mansion of Wappocomo were manufactured in England and used as ballast to stabilize ships loading tobacco in the James River, journeying in bullock carts over the Blue Ridge Mountains and Ridge-and-Valley Appalachians.

The surge in first-quarter luxury retail sales indicate that post-holiday consumer confidence is higher than analysts previously estimated.

A new law proposed by privacy advocates would increase the amount of tint that carmakers have been allowed to build into the windows of their vehicles.

An experimental psychology study asserts that babies who are still too young to talk and estimated at as young as 9 to 10 months old are able to recognize signs of friendship or animosity between adults.

Unlike the belief of the non-academics involved that the panel proceedings are subterfuge for discrimination, the academic peers of the professor under review are better equipped to evaluate the contributions and performance of their colleague in the review of potential termination due to neglect of duty.

Wetlands contribute to the stability of the environment in multiple ways, preventing flooding by holding water, filtering and purifying surface water, and, surprisingly, release vegetative matter which helps feed fish in the rivers.

A quantity of substance weighing 2.83 milligrams, rounded to the nearest hundredth of milligram, was sold according to the latest market price per milligram. The sale totaled $18.66, rounded to the nearest cent. The actual price used in this sale, in dollars per milligram, must have been between

Which of the following describes all values of for which ?

At a large company, the probabilities of success of three distinct new product launches are independently $\frac{1}{4}$, $\frac{1}{2}$, and $\frac{5}{8}$, respectively. What is the probability that exactly two of the launches succeed?

The number of visible stars in the night sky, , can be estimated by the formula $,$ where  is the number of stars counted through a tube with length , in centimeters, and a circular mouth of area , in square centimeters. Based on the formula, what is the estimated number of visible stars in the night sky if 240 stars are observed through a tube 10 feet long with a mouth of radius of 4 feet? (1 foot = 30.48 centimeters)

A random sample of citizens contains people registered to vote and not registered to vote in the ratio 12:5, respectively. How many people not registered to vote are there if the sample contains 153 people?

Last year the average health care cost per employee in Group G increased by n percent and the average compensation per employee in group G increased by m percent, where n is greater than m. By what percent did the ratio of health care cost per employee to compensation per employee increase, in terms of n and m?

${\left(\frac{1}{3}\right)}^{-3}{\left(\frac{1}{9}\right)}^{-2}{\left(\frac{1}{27}\right)}^{-1}{\left(\frac{1}{81}\right)}^0=$

The numbers of marbles of each of four different colors in a box are in the ratio 3 to 4 to 6 to 8. If there are 24 marbles of one of the colors, which of the following CANNOT be the total number of marbles in the box?

How many circles can be constructed in the coordinate plane that have a center located at the intersection of two integer values, that have a radius with an integer length, and that in no portion lie outside the square region defined by $0\le x\le 5$ and $0\le y\le 5$ ?

If $a>0$ and $\frac{a}{b}=\sqrt{b}$ , what is b in terms of a?