Find the direction angle of the vector v. Round to the nearest tenth if necessary. v = 8i - 8j
A. 330°
B. 315°
C. 225°
D. 135°
Answer: B
Mathematics
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Evaluate the expression.(-4)-2
A. -16
B. 
C. 
D. 16
Mathematics
Solve the system of equations by graphing.
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?
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Please enter your answer as two ordered pairs in the form 
, 
. The pairs must be separated by a comma.
What will be an ideal response?
Mathematics
Solve the problem.Is the function f(?) = sin ? + cos ? even, odd, or neither?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 991 R4 B. Incorrect; should be 990 R3 C. Incorrect; should be 991 R2 D. Correct
Mathematics