Joey measured the desk and got 60 cm. The actual measurement of the desk was 58 cm. Which expression will give me the percent error of Joey's measurement?

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Is a positive integer raised to a negative power always positive

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?