【单选题】Brand R coffee costs $3. 25 per pound and brand T coffee costs $ 2. 50 per pound. Column A Column B The number of pounds of brand R in a 1. 2 mixture of brands R and T that costs $3. 00 per pound
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】△RST lies in the XY-plane and points R and T have (x, y) coordinates (0,0) and (6,0) , respectively. The area of △RST is 12. Column A Column B The x-coordinate of R The y-coordinate of S
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given