The histogram shows the ages of all the workers in a London office. Given that 30 people are in the 40 - 55 age range, work out the total number of people in the office.

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

Negative 5 1/12 + negative 4 1/4 + 6 3/4

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl