Simplify the expression.
negative the quantity 1 divided by 2 end of quantity plus 1 divided by 6.
a. 1 divided by 3.
b. negative the quantity 2 divided by 3 end of quantity.
c. 2 divided by 3.
d. negative the quantity 1 divided by 3 end of quantity.

1foot = 12 inches; 1 yard = 3 feet

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.