Solve the problem.The area of a triangle is given byA = 
ab sin C,where a and b are the lengths of two of the sides and C is the included angle. If 
and C is an acute angle, what must C be? Give your answer in degrees to the nearest hundredth.
A. 53.66°
B. 26.83°
C. 126.34°
D. No such triangle exists.
Answer: A
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Simplify.
A. 
B. 
C. 
D. 
Use a graphing calculator to plot the data and find the quadratic function of best fit.Southern Granite and Marble sells granite and marble by the square yard. One of its granite patterns is price sensitive. If the price is too low, customers perceive that it has less quality. If the price is too high, customers perceive that it is overpriced. The company conducted a pricing test with potential customers. The following data was collected. Use a graphing calculator to plot the data. What is the quadratic function of best fit?
A. B(x) = -0.0243x2 + 3.115x + 22.13 B. B(x) = -0.243x2 + 3.115x - 22.13 C. B(x) = -0.0243x2 + 3.115x - 22.13 D. B(x) = 0.0243x2 - 3.115x - 22.13
Solve the problem.The cost of manufacturing clocks is given by c = 4(n + 121)1/2, where c is the cost in dollars and n is the number produced. What is the cost when no clocks are produced?
A. $22 B. $484 C. $4 D. $44
Express the number as an equivalent decimal. Use bar notation for repeating decimals.
A. 1.38375 B. 1.425 C. 1.75 D. 1.4375