Answer:
the other two angles are 70° and 20°
Step-by-step explanation:
Answer:
3x+6 is inverse of 3x-6.it is a additive inverse and if we add both we get 0.
Maybe 240 I just multiplied 15 and 16 because 12 times 4 is 16
Answer:
Vertex: (4,9)
X int: (1,0),(7,0) = x=-1, x=-7
y iny: (0,-7)