Two angles in a triangle have measures of 13° and 65º. What is the measure of the third angle?
O A. 143°
O B. 52°
O C. 78°
O D. 102

Me answer number 3plz explain how you do it

How do i do this? i don’t understand

Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0