Radius 5cm is inscribed inside a square find the area shaded

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

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

For which pair of functions is (gof)(a)=|a|-2?