I don't know pls pls pls help me I don't understand‍♂️

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

Corresponding angles are a. always b. sometimes c. never congruent