Answer:
(-5,-7)
Step-by-step explanation:
Y+8=3y
-2y=-8
y=4
104*2=208
360-208=152
152/2=76
x=76°
4(20 + x)
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Answer:
77 degrees
Step-by-step explanation:
The interior angles of a triangle always add up to 180 degrees, so you can form an equation:


Out of 4 circles, 2 of them are shaded in
2 out of 4 are shaded
How many are shaded?
2/4 or 1/2
So half of the drawn circles are shaded.
Hope this helps!