Solve the problem.
A. 25.2°
B. 124°
C. 112°
D. 34°
Answer: C
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Evaluate or simplify the given expression.cos (cot-1 x)
A. 
B. 
C. 
D. 
Express the relationship between a small change in x and the corresponding change in y in the form 
.y = ln(2 + x3)
A. dy = 
dx
B. dy = 
dx
C. dy = 
dx
D. dy = 
dx
A new chocolate company is estimating how many candy bars per week college students will consume of their line of products. The graph shows the probable number of candy bars students (age 18-22) will consume from year 0 to year 10. B(x) gives the number of candy bars for boys, G(x) gives the number of candy bars for girls, and T(x) gives the total number for both groups. Use the graph to answer the question.
Estimate B(7) and G(7) and use your estimates to estimate T(7).
A. 2.3; 4.0; 6.3 B. 2.2; 4.3; 6.5 C. 3.5; 4.2; 7.7 D. 2.5; 4.0; 6.5
Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable. x -8y + z = 53x - y + 2z = 6
A. 
B. ?
C. 
D. 