PLEASE HELP QUICK pls give some type of explanation so i know its not fake. I just truly need help fast.

b.an increase in a causes b to decrease

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)

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled