Please answer the questions from the picture

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2