Find the exact value. Do not use a calculator.cos 2?
A. 
B. 1
C. 0
D. undefined
Answer: B
Mathematics
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Evaluate the integral.
A. - 
B. 
C. 
D. - 
Mathematics
Provide an appropriate response.Which one of the following equations in x doesn't require the use of the multiplication property of equality (a, b, c, and d are real numbers, and x is the unknown)?
A. ax = (b - c)x - d
B. a - b + (c - d)x = 0
C. x = 
D. 
x = d - c
Mathematics
Use a proportion to solve the problem.Andy is driving at a speed of 95 miles per hour. How many miles has he traveled after 24 minutes?
A. 38 mi B. 69 mi C. 41 mi D. 71 mi
Mathematics
Find det A using the method of cofactors.A = 
A. -234 B. 234 C. 1080 D. -522
Mathematics