Helen has 2 winter coats, 4 hats and 3 scarves. How many different outfit combinations does Helen have to chose from?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters