Aconstruction worker drops a hammer from a height of 25 m.

how long will it take the hammer to hit the ground?

What is the value of r of the geometric series?

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.

What is the value of x when x + 7 = 21?