An athlete in training rides his bike 50 mi and then immediately follows with a 2.5 mi run. The total workout takes him 2.5 hr. He also knows that he bikes about twice as fast as he runs. Determine his bike speed and his running speed. Part 1
His running spend is ___mph
Part 2
His biking speed is ___mph

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .