If the function h(n) represents the number of person-hours it takes to assemble n engines in a factory, then an appropriate domain of this function is . .
1) all real numbers
2) all positive integers
3) all positive real numbers
4) all rational numbers

What value of x will make the triangles similar by the sss similarity theorem?

Which of the following graphs could represent a cubic function?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?