What are the zero(s) of this function?
(A)
(C)
(-2.55, 0), (2.55, 0)
(0, 36)
(B)
(D)
(-3,0), (-2, 0), (2, 0), (3, 0)
(0, -3), (0, -2), (0, 2), (0, 3)

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

If a is a nonzero real number then the reciprocal of a is

The deepest part of the swimming pool is 12 feet deep.the shallowest part of the pool is 3 feet deep.what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?