What is the surface area of a triangular prism of 15 ft, and of 3ft and 5 ft?​

What is the answer to |-2x-5|-|-4+8| and x=7

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?