(me pls, 10th grade geometry) two parallel lines are crossed by a transversal.

if m1 = 61.8°, then m6 is ?

a.61.8

b.81.8

c.98.2

d.118.2

If 20% of a number is 35, what is 50% of that number?

For the equations below which statement is true ?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?