tina is making rectangular signs. each poster has an area of 1800 square inches and the length is 30 inches more than the width. find the length and width of her sign.if x represents the width of each sign, select all of the equations that could be used to solve this problem.2(x)+2(x+30)=1800(x+30)(x)=1800x(30x)=180 0x(x+30)=1800

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)

europa2433

europa2433

step-by-step explanation: