Solve the problem.Which of the following vectors is parallel to v = i + 2j?
A. w = 2i + 2j
B. w = i + j
C. w = -i - 2j
D. w = i - 2j
Answer: C
Mathematics
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Solve.An order consists of 2 ft by 4 ft by 8 ft cedar boards which cost $3.10 each and 2 ft by 3 ft by 8 ft pine boards which cost $2.50 each. The total value of the order is $68.40. If there are four more cedar boards than pine boards, how many are there of each?
What will be an ideal response?
Mathematics
Solve and graph the inequality. Give answer in interval notation.-4 < 3x + 2 ? 8 
A. [-2, 2]
B. (-2, 2)
C. (-2, 2]
D. [-2, 2)
Mathematics
Solve the equation.3(10 - 2x) = 81
A. {3} B. {2} C. {-3} D. {4}
Mathematics
Find the average value of the given function 
over the plane region R.
?
; R is the triangle with vertices (0, 0), (2, 0) and (2, 2).
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics