There are 26.2 miles in a marathon there are approximately 8 kilometers in 5 miles what is the best approximaton of the number of kilometers in a marathon
A 79km
B 42km
C 16km
D 26km

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Which of the following is an equation of a line parallel to the equation y=4x+1?