Games that usually sell for $36.40 are on sale for $27.30. What percent off are they?

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.