Simplify the expression.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use a calculator to find the function value.sin 383°
A. 0.92 B. -0.12 C. 0.80 D. 0.39
Mathematics
Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = 
; window [-5, 5] by [-10, 2]
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
+ 4
+ 2
A. 6x
B. 31x
C. 6x
D. 31x
Mathematics
Solve the problem.The manager of a coffee shop has one type of coffee that sells for $6 per pound and another type that sells for $14 per pound. The manager wishes to mix 100 pounds of the $14 coffee to get a mixture that will sell for $8 per pound. How many pounds of the $6 coffee should be used?
A. 150 lb B. 300 lb C. 400 lb D. 200 lb
Mathematics