If the area is 280m square what is the perimeter?

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