Please help Determine which of the following
relations is NOT a function.
A. {(-2, 1), (2, -1), (-1, 2), (1, 1)}
B. {(3, 1), (4, -1), (5,2), (1, -1)}
C. {(-2,-1), (3,-1), (3, 2), (2, 1)

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap

Given the net of the rectangular prism, what is its surface area?