Determine whether the lines are parallel or perpendicular. Explain your answer. 2y = 16+ 4x
6y - 30 = 12x

If the measure of xyz is 81 what is the measure of yz

Rounded to the nearest tenth, what is the value of x

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.