The radii of Earth and Pluto are 6,371 kilometers and 1,161 kilometers, respectively. URGENT
Approximately how many spheres the size of Pluto does it take to have the same volume as Earth?
A.121
B. 154
C. 165
D.176
E.189

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

What’s the answer ? use the picture to see the problem

Factor the polynomial expression x6 – x3 – 20