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Magoosh If x and y are both positive then $$\sqrt{72x^{3}y^{16}}$$ =
Magoosh $$(2xy^{2})*(7x^{3}y^{3})$$=
OG19-数学分册 On Monday, the opening price of a certain stock was $100 per share and its closing price was $110 per share. On Tuesday the closing price of the stock was 10 percent less than its closing price on Monday, and on Wednesday the closing price of the stock was 4 percent greater than its closing price on Tuesday. What was the approximate percent change in the price of the stock from its opening price on Monday to its closing price on Wednesday?
181215 x,y are positive integers and x*$$y^{3}$$ is an even number. Which of the following must be even?
If $${u}{v}!={0}$$,what is the value of $$\frac{({u}^{4})({v}^{3})-({u}{v})^{3}}{({u}^{4})({v}^{4})}$$ ?1. u = 32. v = 27
OG19-数学分册 On the number line, the shaded interval is the graph of which of the following inequalities?
200301
As shown in the figure, the four circles are tangent to each other, and the radius is r, so what is the area of the shaded part?
191020 $$ \frac { 4 } { \frac { \sqrt { 5 } - 1 } { \sqrt { 5 } + 1 } } = ? $$
OG17 OG18 OG19 OG20 OG2022 When n liters of fuel was added to a tank that was already $$\frac1 3$$ full, the tank was filled to $$\frac7 9$$ of its capacity. In terms of n, what is the capacity of the tank, in liters?
Magoosh What is the Greatest Common Factor (GCF) of $$18x^{8}y^{20} and 24x^{12}y^{15}$$?
Magoosh $$({\sqrt{5+\sqrt{5}}-}{\sqrt{5-\sqrt{5}}})^{2}$$=
191020 What's the value of $$\left( 900 ^ { 900 } + 30 ^ { 1800 } \right) ^ { 2 } $$?
If $${x}^{2}={4}$$ and $${y}^{2}={7}$$, then $${x}^{6}-{y}^{4}=$$
Ready4

If , which of the following is a possible value for ?
$${99},{999}^{2}-{1}^{2}=$$
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PREP07 Test 1 If $${x}^{4}+{y}^{4}$$ = 100, then the greatest possible value of x is between
Magoosh $$(5\frac{5}{8})\over(4\frac{1}{2})$$=
OG18-数学分册 One inlet pipe fills an empty tank in 5 hours. A second inlet pipe fills the same tank in 3 hours. If both pipes are used together, how long will it take to fill $$\frac{2}{3}$$of the tank?
Ready4

A retailer determines the price of a certain item by adding 20% to wholesale cost she paid for each item. Of a particular batch of 50 of those items, the retailer sold 40 at full price, then sold the remainder to a liquidator for 40% of the wholesale price. Which of the following describes the retailer's loss or profit as a percentage of her costs?