Solve. Round your answer to three decimal places if necessary.7x + 1 = 42
A. 6.273
B. 2.921
C. 0.921
D. 1.921
Answer: C
Mathematics
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Solve the problem.Evaluate 
A. 
B. 
C. 
D. 
Mathematics
Simplify.-6x7(-5x - 11)
A. 96x7 B. 30x8 + 66x7 C. 30x + 66 D. 30x8 - 11
Mathematics
Find the sum, if it exists.
A. 69 B. -2460 C. -732 D. Does not exist
Mathematics
Use the fundamental identities to find the value of the trigonometric function.Find sec ? if tan ? = 
and ? is in quadrant I.
A. 
B. - 
C. 
D. - 
Mathematics