which expression is equivalent to 24b-34ab?
a. 4b(6-8a)
b. 4b(6b-8ab)
c. 2b(12-17a)
d. 2b(12-17ab)

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

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?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2