PLEASE HELP I HAVE A MATH TEST! An elevator travels directly up 36 floors in 108 seconds. How many floors can this elevator travel directly up in 80 seconds?

Which of the following is the true for f(x) = 5cos

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .