Factor the trinomial containing two variables. If the polynomial is prime, so state.u2 - 5uv - 14v2
A. (u + 2v)(u - 7v)
B. (u - 2v)(u + v)
C. (u - 2v)(u + 7v)
D. (u - v)(u + 7v)
Answer: A
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A. k ? 16 B. k ? 16 C. k > 16 D. k < 16
Classify the statement as an example of theoretical or experimental probability.The probability that a person will be selected for a random security check as they pass through security at a certain airport is 0.21.
A. theoretical B. experimental
Solve the equation. Express radicals in simplest form.x2 + 2 = 18
A. ±4 B. 9 C. ±3 D. 4
Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
A. 
B. x18
C. x56
D. x70