Answer:
(x-13)(x+3) = f(x) = x^2 -10x -39
Step-by-step explanation:
No, you only reverse the symbol when the divisor is negative
Well, there are 60 minute in an hour and 60 seconds in a minute so we can multiply 7 by 60 and then 60 again to find out answer.
7 times 60=420 times 60=25200
she babysat for 25200 seconds
