The cost of a limousine rental for homecoming is directly proportional to the hours rented and inversely proportional to the number of its occupants. The cost of a 4-hour rental for 8 people is $62.50 each. Place
each pricing next to the correct time and occupancy.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Vinny is interviewing for a job. he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?