单项选择题

Maria's average after three tests was 86. She scored 94 on her fourth test and has only one test remaining（）

A. if Quantity A is greater;
B. if Quantity B is greater;
C. if the two quantities are equal;
D. if you cannot determine the relationship based on the given information.

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单项选择题

A case of soda costs $ 16.75. The cost of p individual cans of soda is $1.20 per can.（）

A. if Quantity A is greater;
B. if Quantity B is greater;
C. if the two quantities are equal;
D. if you cannot determine the relationship based on the given information.

单项选择题

The operation ◆ is defined for all positive numbers r and t by r ◆ t= （）

A. if Quantity A is greater;
B. if Quantity B is greater;
C. if the two quantities are equal;
D. if you cannot determine the relationship based on the given information.