N Select the correct answer from each drop-down menu. Simplify the given polynomial and use it to complete the statement. (8x2 – 5x – 7) – (9x^2– 3x – 5) + (x + 7) (x+ 1) The polynomial simplifies to an expression that is a with a degree of Reset Next

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

chiken

step-by-step explanation:

there are infinitely many solutions.