Calculate, if possible.10 + 19 + (-21)
A. -30
B. 8
C. 50
D. 12
Answer: B
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Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.
A. B - (A ? C) B. B ? (A ? C)' C. A' ? C' ? B D. (B - A) ? C
Round the number to the specified place.216,191 to the nearest ten
A. 216,290 B. 216,170 C. 216,200 D. 216,190
Match the given equation with one of the graphs.y2 = 8x
A. 
B. 
C. 
D. 
Solve the problem.A dentist can sell his practice for $1,100,000 cash or for $250,000 plus $270,000 at the end of each year for 4 years. (a) Find the present value of the annuity that is offered if money is worth 8% compounded annually. (b) If she takes the $1,100,000, spends $250,000 of it, and invests the rest in a 4-year annuity at 8% compounded annually, what size annuity payment will she receive at the end of each year? (c) Which is better, taking the $250,000 and the annuity or taking the cash settlement?
A. (a) $697,533.91; (b) $255,726.92; (c) $250,000 plus the annuity has a smaller present value than $1,100,000. She should take the $250,000 plus the annuity. She should take the cash settlement. B. (a) $992,644.41; (b) $253,613.48; (c) $250,000 plus the annuity has a larger present value than $1,100,000. She should take $250,000 plus the annuity. C. (a) $894,274.25; (b) $256,632.68; (c) $250,000 plus the annuity has a larger present value than $1,100,000. She should take $250,000 plus the annuity. D. (a) $581,278.26; (b) $241,234.72; (c) $250,000 plus the annuity has a smaller present value than $1,100,000. She should take the cash settlement.