Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. a5 - a
B. a6
C. 5
D. a4
Answer: D
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Solve for the indicated variable.x = 
for y
A. y = x - w - z - 2 B. y = 2x - 2w - 2z C. y = 2x + w + z D. y = 2x - w - z
Solve.A fragile glass box in the shape of a rectangular solid has width 2 inches, length 19 inches, and height 18 inches. It is being shipped in a larger box of width 18 inches, length 20 inches, and height 23 inches. All of the space between the glass box and shipping box will be packed with styrofoam peanuts. How many cubic inches of the shipping box will be styrofoam peanuts?
A. 684 in.3 B. 7596 in.3 C. 8280 in.3 D. 80 in.3
Express each equation in slope-intercept form. Without graphing the equations, state whether the system of equations has exactly one solution, no solution, or an infinite number of solutions.x - 3y = -72x - 6y = -14
A. one solution B. no solution C. infinite number of solutions
?Suppose that the U. S. population for the years 1920, 1930, 1940, and 1950 is shown in the table below. Let x represent the number of decades since 1920. Find a cubic polynomial 
that fits these data.
?
Year 1920 1930 1940 1950 Population (in millions) 101 118 119 122?
A. ?
B. ?
C. ?
D. ?
E. ?