Tom had a board that was 4 ft. 5 in. long. He cut off a piece that was 1 ft. 9 in long. How much board does he have left? A. 2 ft. 4 in.
B. 2 ft. 8 in.
C. 3 ft. 4 in.
D. 3 ft. 8 in.

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Which statement about perfect cubes is true

What is the average rate of change for this function for the interval from x=2 to x=4 ?