8. Karen had a balance of $57 in her checking account. She wrote a
check for $90. What is her new
balance?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?