-8 + 4 is equivalent to? -12
12
-4
4

Please help with this question it'll help a whole lot on my quiz

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)