Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi
B. 62 mi
C. 200 mi
D. 82 mi
Answer: A
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Solve the linear programming problem.A chemical company must use a new process to reduce pollution. The old process emits 10 g of sulfur and 10 g of lead per liter of chemical made. The new process emits 8 g of sulfur and 6.7 g of lead per liter of chemical made. The company makes a profit per liter of 18¢ under the old process and 24¢ under the new process. No more than 13,203 g of sulfur and no more than 8415 g of lead can be emitted daily. How many liters of chemical could be made under the old process and under the new process to maximize profits?
A. Produce 0 liters under the old process and 1255 liters under the new process. B. Produce 0 liters under the old process and 1155 liters under the new process. C. Produce 317 liters under the old process and 1155 liters under the new process. D. Produce 1255 liters under the old process and 317 liters under the new process.
Write an expression for the general or nth term, an, of the arithmetic sequence.-5, 2, 9, 16, 23, . . .
A. an = 
B. an = 
C. an = -5 + 
D. an = -5 + 
Evaluate the function.If f(x) = 2x2 + 5x - 4, find f(2).
A. -6 B. 22 C. 10 D. 14
(5ab-2c3)(7a2b2c-1) =
a. 35a3b4c4 b. 35ac2 c. 35a2b-2c2 d. 35a3c2 e. 35a2b2c2