Solve the problem.In how many ways can a class president and a class secretary be chosen from a group of 10 candidates?
A. 720
B. 20
C. 19
D. 90
Answer: D
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Convert using dimensional analysis.0.5 pounds to ounces
A. 10 oz. B. 12 oz. C. 8 oz. D. 6 oz.
Evaluate the function.
For the function y = f(x) described by the table, find f(2).
A. 13 B. 10 C. 7 D. 16
The given pattern continues. Write down the nth term of the sequence suggested by the pattern.2, 4, 8, 16, 32, ...
A. an = 2n-1 + 1 B. an = 2n C. an = 2 + 2(n - 1) D. an = 2n
Solve the problem.A woman can sell her computer graphics company for $900,000 cash or for $100,000 plus $65,000 at the end of each year for 4 years. (a) Find the present value of the annuity that is offered if money is worth 7% compounded annually. (b) If she takes the $900,000, spends $100,000 of it, and invests the rest in a 4-year annuity at 7% compounded annually, what size annuity payment will she receive at the end of each year? (c) Which is better, taking the $100,000 and the annuity or taking the cash settlement?
A. (a) $220,168.73; (b) $236,182.49; (c) $100,000 plus the annuity has a smaller present value than $900,000. She should take the cash settlement. B. (a) $297,227.79; (b) $265,705.31; (c) $100,000 plus the annuity has a larger present value than $900,000. She should take $100,000 plus the annuity. C. (a) $330,253.10; (b) $295,228.12; (c) $100,000 plus the annuity has a larger present value than $900,000. She should take $100,000 plus the annuity. D. (a) $217,967.04; (b) $206,659.68; (c) $100,000 plus the annuity has a smaller present value than $900,000. She should take the cash settlement.