Solve the problem. Round your answer to the nearest tenth, if necessary.Last year, Maria earned $369 per week. This year, her salary increased to 
per week. What is the percent of increase?
A.
| 91.3% |
B.
| 8.7% |
C. 9.5%
D.
| 90.5% |
Answer: C
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Write the equation for the plane.The plane through the point P(-7, 4, -2) and normal to n = 3i + 8j + 5k.
A. 7x - 4y + 2z = 1 B. -7x + 4y - 2z = 1 C. -3x - 8y - 5z = 1 D. 3x + 8y + 5z = 1
Find the opposite of the number.16
A. 0
B. 
C. -16
D. 16
Solve the problem.A piece of cardboard is twice as long as it is wide. It is to be made into a box with an open top by cutting 5 cm squares from each corner and folding up the sides. Let x represent the width of the original piece of cardboard. Determine a function V that represents the volume of the box in terms of x.
A. V(x) = 10x2 B. V(x) = 10x2 - 150x + 500 C. V(x) = 5x2 - 100x + 500 D. V(x) = 10x2 - 75x + 125
Write the equation for the line in the standard form.Containing (4, -2) and parallel to the graph of 3x + 4y = 0.
A. 4x + 3y = -6 B. 3x + 4y = 12 C. 3x + 5y = 4 D. 3x + 4y = 4