Simplify the expression. First use the distributive property to remove any parentheses.-(-9m + 5n - 7)
A. -9m + 5n - 7
B. 9m - 5n - 7
C. -9m + 5n + 7
D. 9m - 5n + 7
Answer: D
Mathematics
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Evaluate the integral using the given substitution.
dt, u = 3 - sin 
A. - 
3 + C
B. 
3 + C
C. 4
3 + C
D. 
3sin 
+ C
Mathematics
Find the unit tangent vector of the given curve.r(t) = (8 - 2t)i + (2t - 6)j + (8 + t)k
A. T = 
i - 
j - 
k
B. T = - 
i + 
j + 
k
C. T = 
i - 
j - 
k
D. T = - 
i + 
j + 
k
Mathematics
Managements does not need to consider economies of scale in operations when constructing pro forma financial statements because economies of scale do not directly affect financial statements.
Answer the following statement true (T) or false (F)
Mathematics
Solve the equation.2(y + 2) = 3(y - 3)
A. {-13} B. {5} C. {13} D. {-5}
Mathematics