What is the average mean of these scores 90 80 60 and 50

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.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?