Please work this out for me. It is a question about curves and maximum points

Factor this polynomial completely x^2-64

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students