The window and the door are similar rectangles. the door has a width of 4 feet, the wi dow has a width of 30 inches. how many times greater is the area of the door than the area of the window?

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

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If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking