There are 20 students. Two-fifths of the students are girls. How many students are girls?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Aline passes through 3,7 and 6,9 what equation represents the line

Twelve less than a number is at most 20