Answer:
36
Step-by-step explanation:
we know that the interior angles equal 180 and that the triangles are congruent so, 66 + 78 = 144 so then we have to subtract 180 - 144 and that gives us 36
Hope I helped :)
The third one
If i'm wrong i'm srry
4/20
8 socks we don't know
1 sock 19 socks
11 white
1 more sock 7 /20 chance to pick a random sock
y = -2
Move all the unknown no. to one side:
4 + 2 = -3y
-3y = 6
Solve the equation:
