Combine like terms in the expression. Answer "not possible" if terms cannot be combined.3x + 10x
A. 13x
B. 26x
C. 30x
D. 13x2
Answer: A
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Provide the proper response.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 3?
A. The weight is divided by 3. B. The weight is multiplied by 3. C. The weight is divided by 9. D. The weight is multiplied by 9.
Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined
Convert to polar coordinates. Express the answer in radians, using the smallest possible positive angle.(0, -2)
A. 
B. (2, ?)
C. 
D. (2, 0)
Decide whether the pair of lines is parallel, perpendicular, or neither.The line through (3, -5) and (-1, 7) and the line through 
and 
A. Parallel B. Perpendicular C. Neither