PLEASE HELP THANK UUU

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

In the 30-60-90 triangle below side s has a length of and side r has a length

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9