Domino’s sells 10-inch small pizzas, 12-inch medium pizzas, and 14-inch large pizzas. Each measurement gives the diameter of each pizza size. a. You and your friends order a medium pepperoni pizza. Your friend cuts out a piece of the pie where the length of the crust is 7.5 inches. What is the area of your friend’s pizza slice?

b. You order a small cheese pizza for yourself and cut out a slice with an area of 22.5 in ^2 . What is the central angle of this slice in radians?

How do you answer this question? (step by step)

Find the nonpermissible replacement for binthis expression. b2/5b +5

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.