Refer to this figure to answer the question. Assume 
and 
are parallel.
Are ?DEB and ?IEF vertical angles?
A. No
B. Yes
Answer: B
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Find the vertex.f(x) = (x + 5)2 - 9
A. (5, 9) B. (5, -9) C. (-5, -9) D. (-5, 9)
Solve the problem.A corporation's bank account has $9684 in it when the treasurer writes checks for $571, $5981, and $3618. Then deposits of $3292 and $3750 are made. How much is in the account? Is it overdrawn?
A. $12,812, no B. -$12,812, yes C. $6556, no D. $10,174, no
Translate the problem situation to a system of equations. Do not attempt to solve.Two angles are supplementary. One angle is 18° more than three times the other angle. Find the measures of the angles. (Let x and y represent the angles.)
A. x + y = 90, x = 18 - 3y B. x + y = 180, x = 3y - 18 C. x + y = 90, x = 3y + 18 D. x + y = 180, x = 3y + 18
Solve the problem.A rectangular piece of cardboard measuring 20 inches by 39 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. What is the maximum volume of this box? If necessary, round to 2 decimal places.
A. 1364.09 in.3 B. 631.5 in.3 C. 29,578.83 in.3 D. 1490.83 in.3