Find the width and height of a 60 in wide screen tv that has an aspect ratio of 16:9. Round to the nearest inch.

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?

Draw a scaled copy of the circle using a scale factor of 2

Having a hard time understanding this question (see attachment).