The multiples of 3 and 7 are removed from the series 1+2+3+...+ 150. the resulting sum is what?

On a piece of paper graph y < 3x

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Which compound inequality could be represented by the graph?