ILL GIVE BRAINLIEST PLEASE HELP ASAP Ron is scuba diving. At noon, his altitude was -4.5 feet. At 2pm, he was 6 times deeper. Then, by 4pm, he had swam 2.5 feet towards the surface. What was his altitude at 4pm?

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.

Anyone know these questions? i need ,.

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0