6 if x < −5
f(x) = −x + 1 if |x| ≤ 5
−7 if x > 5

Is the figure congruent? yes or no?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Combine like terms to make a simpler expression 3z+z