What is the surface area of a sphere with a radius of 9 units? A. 57677 units2
B. 6487 units2
O C. 28871 units2
D. 32477 units2

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft