Provide an appropriate response.
Solve the equation with a squared term: 4x2 - 7 = 137
A. x = ±3
B. x = ±6
C. x = 3
D. x = 6
Answer: B
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Factor completely. If a polynomial is prime, then state this as your answer.x3(t3 - 343) + y3(t3 - 343)
A. (x + y)(x2 - xy + y2)(t + 343)(t2 - 1) B. (x + y)(x2 - xy + y2)(t - 7)(t2 + 7t + 49) C. (x + y)(x2 - xy + y2)(t + 7)(t2 - 7t + 49) D. (x + y)(x2 - xy + y2)(t - 7)(t2 + 49)
Find the greatest common factor of the list of terms.21m5, 189m8, 441m6
A. 21m5 B. 3,969m3 C. 21m3 D. 189m5
Find the indicated probability.A survey resulted in the sample data in the given table. If one of the survey respondents is selected at random, find the probability that the person lives in a flat. 
A. 0.394 B. 0.002 C. 0.255 D. 469
Write the number in simplest form, without a negative radicand.
A. ±30
B. 30i
C. -30i
D. i