suppose a 9 minute overseas call costs $6.48 and a 19 minute call costs $13.68. What is the cost, c, of a call of m minutes duration? write a equation to model the cost.

A medium apple has 72 calories. This is two thirds the calories in a medium banana. How many calories are in the banana?

0.123 repeating as a fraction

Simplify 3∛81 - 2∛54

A cow walks 1/2 mile in 1/4 of an hour. How many miles will the cow walk in 1 hour?

You put $16,000 in a saving sccount with 3% interest. How much money will be in your savings account after the 6th month? How much money did you make in in interest?

The value of the x intercept for the graph of 4x-5y=40

What is the slope? A) - 5/4 B) 5/4 C) - 4/5 D) 4/5

If a = 6 and b = 2, what is the value of the following expression? (a + b) ^3 - 3ab (a + b)

Sarah has 10 apples and 2 go missing. How many does she have now?

Afton made a chicken dish for diner. She added a 10-ounce package of vegetables and a 14-ounce package of rice to 40 ounces of chicken. Wha was the total weight of the chicken dish in pounds?