Geometry problem: Prove the converse of the isosceles triangle theorem

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

Someone me what is the area of this figure? 18m 18m 8m 16m

What is negative 3/9 times negative 2/8 ?