Write true or false for the statement.The sum of the measures of the angles in a triangle is 90°.
A. True
B. False
Answer: B
Mathematics
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Use the substitution formula to evaluate the integral.
A. 
B. 11
C. - 
D. 22
Mathematics
Find the derivative of the function at the point p in the direction of a.f(x, y) = e-8y cos x, p = (-2?, 0), a = 
i - j
A. 4
B. 
C. - 4
D. - 
Mathematics
Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.One of Sal's customers ordered items costing 
and 
If Sal's commission on each item is 
what is his total commission on this sale? Round to the nearest cent.
A. $12.28 B. $17.82 C. $10.89 D. $16.28
Mathematics