Chikita made three long-distance calls. According to her phone bill, the calls were 19 minutes, 24 minutes, and 8 minutes in length. If Chikita pays 9 cents per minute on all long-distance calls, how much was she billed for the three calls?

To travel 1200 miles in their recreational vehicle, the Steiners paid a total of \(\$450\)  for gas, at an average fuel cost of \(\$3.00\)  per gallon.
What was the vehicle’s average mileage during the trip?

At a certain time of the day, a man 6 feet tall, casts his shadow 8 feet long. Find the length of the shadow cast by a building 45 feet high, at the same time which is next to the man.

Square of \(\left(a^{2}+a^{3}\right)\) is:

Which of the following expressions is equivalent to \((x+2)(x-2)\)?

Identify the values of x that will make this rational expression \(x^{2}+2 x-15\)