Ben runs around the track at a pace of 1 lap every 80 seconds. sally runs on the track in the opposite direction. the two meet every 30 seconds. how long does it take sally to run each lap around the track?

What is the radical expression that is equivalent to the expression 27 1 over 5?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?