If a = 3 and b = -1 then 2a^2 -2ab+b^2

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.