Help me its an exam and its time f(x) = x^2 + 5. Find the average rate of change between x1 = 1 and x2 = 4.
Use the formula:
Average rate of change = f(x2) – f(x1)
x2 - x1
A)-6
B)4
C)5
D)-4

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?