The function f (r) gives the area of a circle with radius r. It can be written in equation form as f (r) = 3.14r2. What is f (5) ?

A. 28.14

B. 31.40

C. 246.49

D. 78.50

An election ballot asks voters to select five city commissioners from a group of thirteen candidates. In how many ways can this be done?

What is the perimeter for a square with a side length of 13 centimeters

Will an exponential function always, never, or sometimes exceed a polynomial function?

Solve the triangle if a=3, b=4, and c=55 degrees

It is worked out that 4 ladles full of soup each will feed 160 people. The customers have complained in the past that the portions are too small. The cook decides to give 5 ladles full of soup to each person. How many people can now be fed soup?

What is the absolute value of - 4 minus the square root of 2i

A water tank in the shape of an inverted cone has height 11 feet and radius 5 feet. find the volume of the water in the tank when the water is 6 feet deep

Find the area of an equilateral triangle with an apothem of 4in.

Which statement is true about the value of 1612 15 15/> 6 0 161 < 6 O 161 is the distance between 0 and 6, and the distance is always positive regardless of direction. O 161 is the distance between 6 and 0, and the distance is negative from 6 to 0

What factor is used to convert feet per minute into miles per minute