Answer two questions about the following rational multiplication. -3x+21/-2x-4 divided by x^2-16/x-7
What is the product in lowest terms?

What values of x must we exclude from the domains of the expression
A x= -4
B x= -2
C x=4
D x=7

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.