The numbers a, b, and c are all positive. If $$b^2 + c^2 = 117$$, then what is the value of $$4a^2 + c^2?$$
Statement #1: 2a – b = 3
Statement #2: $${{2a+b}\over{2a-b}}=7$$
-
AStatement 1 ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient.
-
BStatement 2 ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient.
-
CBOTH statements 1 and 2 TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
-
DEach statement ALONE is sufficient to answer the question.
-
EStatement 1 and 2 TOGETHER are NOT sufficient to answer the question.
Previous
显示答案
正确答案: C