Solve the problem.A retired couple has $130,000 to invest to obtain annual income. They want some of it invested in safe Certificates of Deposit yielding 5%. The rest they want to invest in AA bonds yielding 12% per year. How much should they invest in each to realize exactly $12,100 per year?
A. $80,000 at 12% and $50,000 at 5%
B. $90,000 at 12% and $40,000 at 5%
C. $80,000 at 5% and $50,000 at 12%
D. $70,000 at 5% and $60,000 at 12%
Answer: A
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Solve the problem.The following map shows the states Kentucky, Tennessee, Missouri, Iowa, and Nebraska. Find a route that starts and ends in Missouri and crosses each common state border exactly one time.
A. MO ? KY ? TN ? MO ? IA ? NE ? MO B. MO ? NE ? IA ? MO ? TN ? KY C. MO ? KY ? TN ? MO ? IA ? NE D. No such route exists.
Use the graph of f(x) to solve the inequality.f(x) < 0
A. x < 2.2 or x > 2.2 B. x < 0 C. x ? 0 D. x > 0
Graph the solution region for the system of inequalities and identify the corners of the region.
A. 
B. 
C. 
D. 
Find the indicated cross product.v = 2i - 2j + 6k, w = -4i + 2kFind w × v.
A. -28i - 4j + 8k B. 4i + 28j + 8k C. 12i + 20j + 4k D. 8i - 4j + 4k