Which statement can be used to justify the statement

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

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

What is the result of adding the system of equations? 2x+y=4 3x-y=6