Multiply. Write the answer in simplest form.
? 
A.
B.
C.
D.
Answer: B
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Write the system of inequalities that describes the possible solutions to the problem.The Pen-Ink Company manufactures two ballpoint pens: silver and gold. The silver requires 9 minutes in a grinder and 8 minutes in a bonder. The gold requires 11 minutes in a grinder and 8 minutes in a bonder. The grinder can be run no more than 390 minutes per day and the bonder no more than 180 minutes per day. Let x represent the number of silver pens, and let y represent the number of gold pens. Including the system inequalities and
, find the remaining
inequalities that best represent this company's daily production of silver and gold pens. A. 0 ? 17x + 19y ? 570 B. 9x + 8y ? 390, 11x + 8y ? 180 C. x + y ? 390, x + y ? 180, x + y ? 570 D. 9x + 11y ? 390, 8x + 8y ? 180
Solve the problem.Assume that the profit P made when t units are sold, t > 0, is given by P(t) = t2 - 26t + 168. For what values of t will there be a loss (that is, P < 0)?
A. t > 0 B. 12 < t < 14 C. 0 < t < 12 or t > 14 D. t = 12 or t = 14
Complete.4 ft =
in.
A.
B. 56
C. 48
D.
Evaluate.
A. 1 B. 4 C. 24 D. 0