Jim got 30 questions correct out of a total of 35. what was the percentage he got correct?

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?