What is the measure of rst?
а. 90°
в. 939
с. 131°
d. 879

Will mark brainliest question in the pic.

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.

What expression is equivalent to (2x-1)(x-3)?