Simplify.(7 + 6)[5 + (6 + 7)]
A. 234
B. 78
C. 1974
D. 756
Answer: A
Mathematics
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Divide, if possible.-105 ÷ (-5)
A. 
B. 21
C. -21
D. 11
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Divide:
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Provide an appropriate response.Determine the point elasticity ? of the demand equation pq + p + 50q = 10,000 when p = 200.
What will be an ideal response?
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? < ? < 
Find cos 
.
A. - 
B. 
C. 
D. - 
Mathematics