17.) evaluate a/b for a = 4/5 and b = - 9/2

a.) 18/5

b.) - 10/9

c.) - 18/5

d.) - 8/45

i know the answer is 3

step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

1 3 5

step-by-step explanation:

i took the test: )

a

step-by-step explanation:

the answer is a