If 6 times a number is 30 what is 8 times this number

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

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