The sum of the interior angles of a pentagon is 540 degrees. the pentagon in Washington, D. C, is named for its unusual shape, a regular pentagon. what is the measure of each angle of the pentagon?

Sydney Blackwell manages an office building with leases of $60,000 per year. Her management agreement is for 7 years, with fees as follows: 7% the first year; 5% the second and third years; and 3 % the remaining years.

Jonathan and his family went on a backpacking trip. They started hiking at 4:40 P. M. It took 2 hours and 45 minutes to reach their campsite. After they arrived, it took 1 hour and 10 minutes to set up the campsite.

What is the approximate uncertainty in the area of a circle of radius 3.1*104cm? Express your answer using one significant figure. ΔA =

A particle moves according to a law of motion s = f (t) = 0.01t^4 - 0.08t^3, t > 0, where t is measured in seconds and s in feet. (a) Find the velocity at time t.

The base of a rectangluar prism is 5 meters by 3 meters. the height of the prism is 7 meters. the total surface area, except for one face, is 121 square meters. What are the dimesions of the missing face?

If 9x = 36, what is the value of 1/4x? a) 9 b) 1 c) 144 d) 72

Choose the situation in which the use of exact numbers is appropriate. A) paying your power bill B) adding bacon bits to a salad C) buying hamburgers for a cookout D) ordering flyers to hand out at a political rally

Mel divides his baseball cards evenly among 7 cousins. If each cousin gets more than 20 cards, could 119 cards be the total number of cards that Mel gives away

Name the lengths of the side of three rectangles that have perimeters of 14 units

Write a word problem for this divison $2.88 divided by 12