Devontre rode his bike uphill 5 miles and then back downhill. the rate at which devontre traveled downhill was 20 mph faster than his rate going uphill. if it took him 20 minutes longer to ride uphill than downhill, what was his uphill rate?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).