Does anyone know what the ZB and PH stand for in this equation?

A hot air balloon holds 74,000 cubic meters of helium, a very noble gas with the density of 0.1785 kilograms per cubic meter. How many kilograms of helium does the balloon contain?

Troy shares a family bag of 24 Jet Plane lollies with his two friends Levi and Tane If Tane ate 1/3 and Levi ate 3/8, How many panes did Troy eat?

18/50 as a percentage

0-0.299. Where does 0.09 fit in?

What is 8244 estimated

Your closet has 5 shirts for every 2 sweaters. Your closet has 30 shirts. How many sweaters are in your closet? ||Shirts||Sweaters|| || 5 || 2 || || 10 || || || || 10 || || 30 || || Complete the chart

Kyung works 5 hours at a restaurant each Wednesday. He also earns $37 a week delivering newspapers. Kyung makes a total of $79.50 each week.

Find three examples of percents used in everyday life. Newspapers

What is the unit for surface area

Write an equation With the slope equal to - 4/5 and (0,8)