Find the product.(3 + x)(4x - 8)
A. 4x2 + 4x - 24
B. 4x2 + 3x - 24
C. 4x2 - 24x + 4
D. x2 + 4x + 4
Answer: A
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = 
, csc ? > 0Find sin 
.
A. 
B. 
C. 
D. 
Mathematics
Write the augmented matrix for the system.7x + 8y = 104x + 7y = 13
A. 
B. 
C. 
D. 
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Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 7 miles per hour and the other at 11 miles per hour. In how many hours will they be 36 miles apart?
A. 4 hours B. 3 hours C. 2 hours D. 1 hour
Mathematics
Multiply and simplify. Write the answer as a mixed number if possible.8
? 1
A. 16
B. 8
C. 12
D. 15
Mathematics