Find the determinant.det 
A. -40
B. 34
C. -46
D. 40
Answer: D
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Simplify completely.
A. 
B. 
C. 
D. 
Determine whether the given lines are parallel, perpendicular, or neither. 6x + 2y = 827x + 9y = 37
A. Neither B. Perpendicular C. Parallel
Solve the problem.One Internet service provider has the following rate schedule for high-speed Internet service:Monthly service charge$18.001st 50 hours of usefreeNext 50 hours of use$0.25/hourOver 100 hours of use$1.00/hourWhat is the charge for 50 hours of high-speed Internet use in one month?What is the charge for 75 hours of high-speed Internet use in one month?What is the charge for 135 hours of high-speed Internet use in one month?
Fill in the blank(s) with the appropriate word(s).
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find sin 
.
A. 
B. 
C. 
D. 