Use a graphing calculator to perform the indicated multiplication.
A. 
B. 
C. 
D. 
Answer: D
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Find the angle in degrees when given the trigonometric values. ? represents the unknown angle measure.cot ? = 1.237
A. 34.830° B. 38.95° C. 38.950° D. 34.83°
Solve the equation.4x = 19 Round to three decimal places.
A. 1.558 B. 4.750 C. 2.124 D. 0.471
Using the appropriate right triangle, find the exact value of the trigonometric expression.sin 60°
A. 
B. 
C. 
D. 
The Country Workshop's total weekly profit (in dollars) realized in manufacturing and selling its rolltop desks is given by
?
?
where x stands for the number of finished units and y denotes the number of unfinished units manufactured and sold per week. Currently, the weekly output is 130 finished and 105 unfinished units. Determine the approximate change in the total weekly profit if the sole proprietor of the Country Workshop decides to increase the number of finished units to 140 per week and decrease the number of unfinished units to 100 per week.
?
A. $63.33 per week
B. $950.00 per week
C. $190.00 per week
D. $95.00 per week
E. $9,500.00 per week