What are the solutions to the quadratic equation 4(x + 2)2 = 36 A. x = −11 and x = 7
B. x = −7 and x = 11
C. x= −5 and x = 1
D. x = −1 and x = 5

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Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.