How high is the ramp when it is 2 feet from the building?

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?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .