HELP PLEASE

6x2 -2x3 +x4 =?

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?

The product of sin 30 degrees and sin 60 degrees is same as the product of

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder