Today at school, Aileen spent 6 hours in classes, 0.5 hour in lunch, and 2 hours practicing soccer. About what percent of Aileen's time at school was spent in classes?

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?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).