Luis paid $15 for 20 game and ride tickets at a festival. Betty paid $18.75 for 25 tickets. What is the constant of proportionality? Express your answer in decimal form.

What kinds of numbers have an odd number of factors?

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.