Simplify. Assume that variables can represent any real number.
A. 7t
B. 24
C. 7
D. 7t2
Answer: C
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Evaluate the integral.
A. e7/6
B. ln 
C. 
ln 
D. 
ln 
Provide an appropriate response.The mail carrier takes away six checks for $10 each. Are you richer or poorer? by how much?
A. Poorer by $200; (-6) ? 10 = -200 B. Richer by $60; 6 ? 10 = 60 C. Richer by $200; (-6) ? (-10) = 200 D. Poorer by $60; (-6) ? 10 = -60
Solve the equation.
= 9
A. {-15} B. ? C. {-3, 15} D. {3, 15}
Solve.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 675 cubic inches, find the length of one side of the open box.
A. 15 in. B. 21 in. C. 18 in. D. 14 in.