A customer's total cell phone bill this month is $50.50. The company charges a monthly fee of $18 plus five cents for each call. Use "n" to represent the number of calls.

A chef uses 4 3/4 cups of broth for 10 servings of soup. How much broth is used in one serving of soup? Let x represent the amount of broth.

Find the unit rate 39 plants in 3 rows = plants per row

Harvey can run 3 1/6 km in 1/4 hour. Harvey runs at a constant rate What is his average speed

Two boats raced, boat a went 40 feet every 5 seconds boat b went 56 feet every 8 seconds which boat is faster

Which of the following statements are true? A. Probabilities can be any positive value. B. Probabilities must be negative. C. Probabilities can either be positive or negative. D. Probabilities must be nonnegative.

What is the solution for this equqtion? 1/2z=10

Four couples have reserved seats in a row for a concert. In how many different ways can they be seated if (a) there are no seating restrictions? (b) the two members of each couple wish to sit together?

The height of a building is 1734 ft. How long would it take an object to fall to the ground from the top? Use the formula s equals 16 t squared , where s is the distance, in feet, traveled by an object falling freely from rest in t seconds.

Write the equation of the line that is parallel to the graph of y=-4x - 9, and whose y-intercept is 3.

One third plus one third