Expand the expression using the Binomial Theorem.
4
A. x4 - 12x3/2 + 54x - 
+ 
B. x4 - 12x5/2 + 54x - 
+ 
C. x4 + 
D. x4 - 
Answer: B
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Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $170,000, find each worker's salary.
A. president's salary = $12,750; department head's salary = $4250 B. president's salary = $127,500; department head's salary = $42,500 C. president's salary = $85,000; department head's salary = $42,500 D. president's salary = $42,500; department head's salary = $127,500
Subtract. Simplify, if possible.-902 - (-1417)
A. -2319 B. -515 C. 2319 D. 515
Identify the triangle PQR as isosceles, equilateral, or scalene.P(1, 2), Q(3, -1), R(-4, -1)
A. Scalene B. Equilateral C. Isosceles
Two walls are in the shape of a trapezoid with bases that measure 12 ft(labeled a in the figure), and 28 ft (labeled b in the figure) and a height of 11 ft (labeled h in the figure). You wish to wallpaper the two walls. One roll of wallpaper will cover 40 ft². How many rolls of wallpaper should you purchase? Round your answer to the nearest whole number, if necessary.
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