Jan works from 30 to 40 hours per week during the summer. She earns $12.00 per hour. Her friend Rachel also has a job. Rachel's pay for t hours is given by the function r(t) = 11t, where 20 ≤ t ≤ 30. Find the domain and range of each function.

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1