Answer:
73
Step-by-step explanation:
Add up these numbers. Then do 180-107
A calculator can be helpful with arithmetic.
The value is 5/187 ≈ 0.0267379679
Answer:
59°
Step-by-step explanation:
From the diagram, shown in the attachment line x and y are parallel lines.
Angle 7 and angle 6 are angles on a straight line.
The two angles will add up to 180 degrees.

But angle 7 measures 121°.
This implies that:

Solve for angle 6 to get;
\

20/81 can not be simplified anymore so 20/81 is in simplest form.
Answer:
A. & B.
Step-by-step explanation:
General form is ax2 + bx + c = 0.
Must contain an x2 term
Must NOT contain terms with degrees higher than x2 eg. x3, x4 etc