Tracey paid $150 for an item that was originally priced at $510. What percent of the original price did Tracey pay? Round to the nearest tenth of a percent

If 3x+8=3x+8 is it one solution or no solution

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?