How far is the bottom of the ladder from the base of the house?

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?

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite