Your plumber charges a flat rate of $150.00 to come out to your house and $55.50 per hour he is there. if the bill for your broken pipes was $344.25 how many hours was he there?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

Which expression shows the sum of the polynomials with like terms grouped together