I need help with this math question due today

Use continuity to evaluate the limit. lim x→16 20 + x 20 + x step 1 consider the intervals for which the numerator and the denominator are continuous. the numerator 20 + x is continuous on the interval the denominator 20 + x is continuous and nonzero on the interval

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

What is x3+3x2−16x−48 divided by x−1?