Solve the problem.If v = 3i - 5j and w = -7i + 4j, find 3v - 4w.
A. 17i - 10j
B. -4i - j
C. -19i + j
D. 37i - 31j
Answer: D
Mathematics
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Solve the problem.A ladder x feet long leans against a house and makes an angle ? with the horizontal. The base of the ladder is 12 feet from the house. Then 
Use a reciprocal identity to rewrite this formula.
A. 
B. 12 sec ?
C. 12 sin ?
D. 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin 
.
A. - 
B. 
C. 
D. - 
Mathematics
Determine whether the given point is on the graph of the equation.3y = -6x + 9; 
A. Yes B. No
Mathematics
Use the graph of y = g(x) to answer the question.
Find
g(x).
A. 0 B. 1 C. 4 D. does not exist
Mathematics