What is the converse of the following conditional statement?
if x = 12, then 2x – 5 = 19.
(a) if 2x – 5 = 19, then x = 12.
(b) if x ≠ 12, then 2x – 5 ≠ 19.
(c) if x = 12, then 2x – 5 < 19.
(d) if 2x – 5 ≠ 19, then x ≠ 12.

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?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.