75 points. will give certified if work is shown and the answer is correct.

determine the difference between the volumes of two dwarf planets. where one planet has a radius of 832 mi; while the other has a radius of 829 mi (express your volumes and final answers in terms of )

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

What is the slope of the line that has an equation of y equals x -3

(co 3) the times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 9.4 minutes. a random sample of 25 customers has a mean of 36.1 minutes or less. would this outcome be considered unusual, so that the store should reconsider its displays? no, the probability of this outcome at 0.035, would be considered usual, so there is no problem yes, the probability of this outcome at 0.035, would be considered unusual, so the display should be redone no the probability of this outcome at 0.359 would be considered usual, so there is no problem yes, the probability of this outcome at 0.965 would be considered unusual, so the display should be redone