There are 20 cars competing in a race. In how many ways can the cars be awarded first, second, and third place? Please help me!

Which function has the domain x> -11

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.