A cylindrical container contains some sand as shown below. How much more sand must be added for the container to be half full? Use 3.14 for pi. 785 cubic inches

392.5 cubic inches

235.5 cubic inches

157 cubic inches

Find the difference (8ab+a+2) - (3ab+6)

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? )

Solve for x where 0 equation: cot^2x+2cotx+1=0