Use three numbers of 8 13 18 to give a diffrerent expression progression

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.