Use both properties of equality to solve the equation.-6w + 4 = -11 - w
A. -3
B. 2
C. 4
D. 3
Answer: D
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Find the least common denominator (LCD).
, 
A. (x - 6)(x + 1) B. (x + 2)(x - 6) C. (x + 2)(x - 6)(x + 1) D. (x - 2)(x + 6)(x + 1)
Write the converse, inverse, or contrapositive as requested, and determine whether it is equivalent to the original statement.If you have 30 years of teaching experience, then you get your full retirement. (Inverse)
A. If you do not have 30 years of teaching experience, then you do not get your full retirement. Not equivalent B. If you do not have 30 years of teaching experience, then you do not get your full retirement. Equivalent C. If you get your full retirement, then you have 30 years of teaching experience. Not equivalent D. If you get your full retirement, then you have 30 years of teaching experience. Equivalent
Find the correlation coefficient.Consider the data points with the following coordinates: 
A. 0.5370 B. 0.0537 C. -0.0781 D. 0.2245
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-4x + 8y = -12 2x + 4y = 6
A. (-2y, y) B. (3, 0) C. (3, 1) D. No solution