Use a calculator to find the value of y in degrees rounded to two decimal places.y = cot-1 4.132
A. 14.01°
B. 13.60°
C. -13.60°
D. 75.99°
Answer: B
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Simplify.
3
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) $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. B. (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. C. (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. 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.
Solve.Two new planets were discovered in a distant solar system. One planet is estimated to have an average surface temperature of -222°C. The second planet is believed to have an average surface temperature that is 
times that of the other planet. Find the average surface temperature on the second planet.
A. -333°C B. -222°C C. -444°C D. -555°C
If row 5 of a matrix [C] is multiplied by -3 and then added to row 6 of [C], then the correct notation is Row+(-3,[C],6,5). Decide whether the statement is true or false.
What will be an ideal response?