Chris can mow a large yard in 3 hours by himself. it takes joe 6 hours to mow the yard alone. how long would it take chris and joe to mow the yard together?

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.

X2 + y 2 = 36 x + y = 6 solve the system of equations.

If you could answer these your a life saver