The graph show rate that tom travels on hes bicycle with the line traveling through the point (5, 45)

What is the constant of proportionality in the graph?

41/17 as a decimal rounded to the nearest hundredth

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?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.