The diameter of a circle is 18 feet. It has a sector with a central angle of 45 degrees. What is the area the sector to the neatest tenth?

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Write an algebraic expression for the word expression the quotient of c and 8

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).