The area of a circle is 497 cm2. What is the circumference, in centimeters? Express your answer in terms of T.

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax