What is the mean of 6.3, 6.4, 6.5, 6.6, 6.8, 6.8, 7.5?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance