Find the surface area of each figure. round your answer to the nearest hundredth, if necessary.

The depreciation per unit for a company

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys