100pts: abdullah averages 30 mph driving from houston to austin. what was his average speed on the return trip if the average speed for the whole trip was 40 mph? in your work, show that the answer will be the same regardless of the distance between the two cities.

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

What is the length of the unknown leg in the right triangle ?