Factor completely. If the polynomial is prime, so state.7x2 - 7x - 42
A. (7x + 14)(x - 3)
B. 7(x + 2)(x - 3)
C. 7(x - 2)(x + 3)
D. prime
Answer: B
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Factor, if possible.343c3 + 8
A. (343c + 2)(c2 - 14c + 4) B. (7c - 2)(49c2 + 14c + 4) C. (7c + 2)(49c2 - 14c + 4) D. (7c + 2)(49c2 + 4)
Find the center (h, k) and the radius r of the circle. Graph the circle.x2 + y2 - 2x - 4y + 1 = 0
A. (h, k) = (-1, -2); r = 2
B. (h, k) = (1, 2); r = 2
C. (h, k) = (1, 2); r = 4
D. (h, k) = (-1, -2); r = 4
Simplify the expression.(-5x6y)3
A. (-5)3x18y3 B. (-5)3x9y3 C. -15x6y D. -15x6y3
Solve. Write each fraction in simplest form.The following graph is called a circle graph or pie chart. Each sector (shaped like a piece of pie) shows the number of each color of marbles that Luke has: 175 are red, 125 are blue, 70 are yellow, 90 are green, and 30 are clear. What fraction of the marbles are red? Write the fraction in simplest form. 
A. 
B. 
C. 
D. 