How many students scored below 80? 11
19
cannot be determined from the histogram
9

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1