Simplify 3^2 ⋅ 3^5 pls help (25 points)

a) 3^7

b) 3^10

c)9^7

d)9^10

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?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?