Answer:
40 degrees
Step-by-step explanation:
Angle ACO = 80 ( 180 - 100)
Angle CAO = 60 (180 - 120)
Angle AOC = 40 (180 - 80 - 60) (TOTAL DEGREES OF A TRIANGLE IS 180)
Answer:
D, not B
Step-by-step explanation:
So using Pythagorean Theorem:

Yep, It's not B, But D.
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Answer:
A ans. No it is binomial factor because it contain two terms
B and.

Answer:
x = 3
Step-by-step explanation:
Write equation.
4x + 6 = 18
Subtract 6 from both sides.
4x = 12
Divide 4 to get x alone.
x = 3