Mrs. Vaughn went 230 miles in 4 hours. How fast was she driving?

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

When you answer this can you explain

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.