A rectangle has an area of 48 cm^2 and a perimeter of 38 cm. what are the dimensions of the rectangle?

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.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Having a hard time understanding this question (see attachment).