Carbon monoxide (CO) emissions for a certain kind of car vary with mean 2.765 g/mi and standard deviation 0.7 g/mi. A company has 60 of these cars in its fleet. Estimate the probability the fleet's mean CO level is between 2.9 and 3 g/mi. Round your answer to three decimal places.

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.