9. In 2002, a certain town recorded 15,300 acres of undeveloped land. Each year after, the amount of land decreased by 7% due to residential and c

answer: a.

step-by-step explanation: the answer is a. because, you need to converge the fractions to find a solution.

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

about 0.75 hours

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a