Susan placed an order for a drum set priced at $89.99 and an electronic organ for $54.49. The drums at the store were on promotion $10 off. How much does Susan have to pay in total once she receives the items?

What is the value of the expression below? (81^2)^1/8

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min