Poove Heat:
cos2x+cos²a cotx=cot²x​

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units