1. How many ways are there to arrange four boys and three girls in a line for a photo if
the girls must be in order of height from
shortest to tallest?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.