A circle has radius 3 meters. Suppose an arc on the circle has length 4π meters. What is the degree measure of the central angle whose radii define the arc?

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c