What is the sum of the geometric series 20 + 21 + 22 + 23 + 23 + 24 + … + 29?
a. 1,023
b. 511
c. 2,407
d. 1,012

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

How are sas and sss used to show that two triangles are congruent?