Simplify the expression:
(-5/6)(3/5)
A. -1/2
B. 1/2
C. 2

Asphere has a diameter of 10 in. what is the volume of the sphere?

Does the point (1, sqrt 7) lie on circle shown.

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )