If the perimeter of a square is a whole number, which of the following CANNOT be the area of the square? A. 1
B. 64
C. 169
D. 324
E. 693

Answer question above and explain each step : )

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below. what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?