Astudent needs to make a circular cardboard piece with an area between 154 square inches and 616 square inches. the function f(r) relates the area of the cardboard piece, in square inches, to the radius r in inches. which of the following shows a reasonable domain for f(r)?

7 < r < 14

This is the answer to the question.

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)