Suppose the sample space from a probability experiment has 70 elements. If items from the sample space are selected without replacement, how many ways can you select all of the items?

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so