Which expression represents the total perimeter of her sandwich, and if x=1.2, what is the approximate length of the crust?

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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?