Use Pascal's triangle to expand the binomial.(5x - 3y)3
A. 25x3y - 15x2y2 + 9xy3
B. 25x3y - 30x2y2 + 9xy3
C. 125x3 - 225x2y + 135xy2 - 27y3
D. 125x3 - 75x2y + 45xy2 - 27y3
Answer: C
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Factor out the greatest common factor. Simplify the factors, if possible.9m(9 - m) + 5n(9 - m)
A. (9m - 5n)(9 - m) B. (9m + 5n)(9 - m) C. 9(m + n)(9 - m) D. m(9 + 5n)(9 - m)
Solve the problem.A rock falls from a tower that is 368 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 19.2 sec B. 8464 sec C. 4.8 sec D. 18.8 sec
Write the number in the sentence in words.Paul has the number 24,730,208 showing on his calculator display.
A. twenty-four million, seventy-three thousand, two hundred eight B. twenty-four million, seven hundred thirty thousand, two hundred eight C. twenty-four million, seven hundred three thousand, two hundred eight D. twenty-four million, seven hundred thirty thousand, two hundred eighty
Use the graph to estimate any solutions of the system.x = -y2 y = x + 2
[-6, 6] by [-6, 6]
A. (-1, 1) and (-4, -1) B. (-1.5, 1) and (-4.5, -2) C. (-1, 1) and (-4, -2) D. (-1, 1.5) and (-4, -3)