Please help me out with these assignment..

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale

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.