Does anyone know the answers to unit 1 homework 2 Gina Wilson (all things algebra)

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth