Provide an appropriate response.
A stack of boards is 27 inches high and each board measures 3 inches thick. How many boards are in the stack?
A. 24 inches
B. 9 inches
C. 9 boards
D. 24 boards
Answer: C
Mathematics
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Use a calculator to evaluate. Express the answer as a decimal and as a fraction.
+ 3 ÷ 4
A. 1.1; 
B. -1.1; - 
C. 0.13; 
D. 0.84; 
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Write the interval in set-builder notation and graph the set on a number line.[9, ?)
A. {x|x ? 9}
B. {x|x ? 9}
C. {x|x > 9}
D. {x|x < 9}
Mathematics
Solve.x3 - 2x ? 24 - 5x2
A. [-2, 2] B. (-?, -4] ? [-3, 2] C. [-4, -3] ? [2, ?) D. [-2, ?)
Mathematics