Last night, the temperature fell from 0°F to -13 1/5 in 4 2/5 hours. What was the average temperature change per hour? Solve the division problem. -13 1/5 ÷ 4 2/5

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Solve 2^x=32 and rewrite this equation in a logarithmic form