Which polynomial represents the sum below?

(18x2 - 18) + (-13x2 - 13x + 13)

a. 5x2 - 13x - 5

b. 31x2 - 31x - 5

c. 18x2 - 31x - 18

d. 5x2 - 13x - 31

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

Which number line correctly shows 0.8 + 0.3?