Solve the problem.If an elevator starts on floor number 4 above ground and goes up to floor number 17, how far up has it gone?
A. None of these
B. It has gone up 21 levels.
C. It has gone down 13 levels.
D. It has gone up 13 levels.
Answer: D
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Find the infinite sum accurate to 3 decimal places.
A. 0.143 B. 0.200 C. -0.571 D. 0.800
In how many ways can 8 people stand in a row if 2 of the people refuse to stand together? ?
A. 70,560 B. 35,280 C. 30,240 D. 110,880 E. none of the above
Solve the problem.The Fiedler family has up to $130,000 to invest. They decide that they want to have at least $40,000 invested in stable bonds yielding 5.5% and that no more than $60,000 should be invested in more volatile bonds yielding 11%. How much should they invest in each type of bond to maximize income if the amount in the stable bond should not exceed the amount in the more volatile bond? What is the maximum income?
What will be an ideal response?
Solve.One week in May in the town of Simmons, it rained 0.93 inches on Monday, 1.22 inches on Wednesday, and 1.74 inches on Friday. It did not rain the other four days. What was the total rainfall for the week?
A. 3.79 in. B. 3.89 in. C. 3.99 in. D. 3.90 in.