The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour. 1. Write an equation in the form y=kx to describe this situation, where x represents the hours she works and y represents the dollars she earns.

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)