5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...?
(A) 1
(B) 2
(C) 3
(D) 4
2
Comments
5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...?
ax+2y=5, 3x-6y=20 in the system of equations above, a is a constant. if the system has one solution, which of the following cannot be the value of a...?
(A) -1
(B) 4
(C) 1
(D) -3
-1
Comments
ax+2y=5, 3x-6y=20 in the system of equations above, a is a constant. if the system has one solution, which of the following cannot be the value of a...?