61. If x=2, y=-3 and z= -4, evaluate (y-2)(x-2)(z - y)
A 210 B. 30 C. -30 D-210
(Nov 2013 (11)

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Which table shows a proportional relationship between miles traveled and gas used?