A plumber charges $55 for a service call plus $35 per hour. if the plumber's bill was $160, how many hours was he there?

What relations does not represent an function? A) { (3, 0), (0, 3) } B) { (6, - 2), (5, - 2) } C) { (3, 4), (3, 5) } D) { (5, 5), (-5, - 5) } E) { (1, - 2), (-2, 1) }

What number is 100 times as greater as 0.3?

On a recent survey, 60% of those surveyed indicated that they preferred walking to running. If 540 people preferred walking, how many people were surveyed?

What are the coefficients in the expression 4x squared 2 + 5x - 7

Should the distributive property be a property of addition, multiplication or both?

Each student needs 35 craft sricks for an art project. The art teacher has 7,140 craft sticks. How many students can get craft stick from teacher? What number can i use to estimate the quotient? Explain how to check the answer to a division problem.

Does anyone know f (-3) =

In a fruit punch you mix 150 ml of lemonade with 250 ml of fruit Write the ratio of the volume of lemonade to the volume of fruits Give your ratio in its simplest form.

The sun of 3 times a number and 5 is 2 times the number plus 15. what is half the number

Let be an exponential function such that (3) / (2) = 4. Determine the value of the following ratios. (9) / (8) = ? (7) / (5) = ? (33) / (30) = ? (111) / (110) = ?