Can u pls help me with that question

If 3x+8=3x+8 is it one solution or no solution

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.