Factor completely. If the polynomial is prime, state this.2x2 - 3xy - 9y2
A. (2x - 3y)(x - 3y)
B. (2xy + 3)(xy - 3)
C. (2x + 3y)(x - 3y)
D. (2x - 3y)(x + 3y)
Answer: C
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The magnitude scale for brightness of stars is a logarithmic scale.
Answer the following statement true (T) or false (F)
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Solve the problem.A line from the top of a cliff to the ground passes just over the top of a pole 7.0 ft high and meets the ground at a point 6.0 ft from the base of the pole. If the point is 83 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 97 ft B. 7 ft C. 3486 ft D. 581 ft
Solve and graph. Write the result in interval notation.0.2k > 2
A. (-?, 10]
B. [10, ?)
C. (10, ?)
D. (-?, 10)