Sasha can mow 3/8 of an acre of grass in 45 minutes. how many acres of grass does sasha mow per hour

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

In the diagram of circle a what is m

What is the base of 1/9 to the power of 2