The rate a car travels varies inversely with the time of the trip. If a car traveling 63 miles per hour can make the trip in 2.5 hours. If on the return trip you travel 70 miles per hour, how many hours did it take you to return?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.