A car travelled 252 km in 3 hours and 15 minutes. The average speed of the car was (to the nearest whole number)
A. 77 km/h
B. 78 km/h
C.
80 km/h
D. 84 km/h

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?