Please please help! Image attached! I'll give brainliest!!! Please answer with explanation :)

How does reflecting or rotating a figure change the interior angles of the figure?

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.

Provide all steps given to find the answer. simplify: 5(2x+9)²