Which expression is equivalent to 4 - (-7)
a 7 + 4
b 4 - 7
c - 7 - 4
d - 4 +7

Factor the polynomial expression x6 – x3 – 20

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.

The base of the rectangle pyramid is 13 inches long and 12 inches wide the height of the pyramid is 18 inches . what is the volume of the pyramid ?