For each problem which number has the greater value?

9 or sqrt84

-5 or -sqrt23

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

Find the area of a parallelogram with base 15 yards and height 21 2/3

How many solutions does the nonlinear system of equations graphed below have?