Answer:
Step-by-step explanation:
x=-2,0,4
it is of 6 th degree (even)
coefficient of leading term is 1 (positive)
so it starts from top on the left and ends also positive direction of y-axis.
In general, the sum of the measures of the interior angles of a quadrilateral is 360. This is true for every quadrilateral. This does not help here, because there are two angles (angles B and D) we know nothing about. We only know about opposite angles A and C.
In this case, you can use another theorem.
Opposite angles of an inscribed quadrilateral are supplementary.
m<A + m<C = 180
3x + 6 + x + 2 = 180
4x + 8 = 180
4x = 172
x = 43
m<A = 3x + 6 = 3(43) + 6 = 135
Answer: 135 deg
You will get both of the fractions over the same denominator, so it will be 27/63 and 56/63, then you will add the two numerators, so it will then come out to 83/63, and you will then simplify that by subtracting 63 from 83, and will get 1 20/63
Answer:

Step-by-step explanation:
The diagram shows three paralel lines which divide the large triangle into three similar triangles.
By Thales theorem,

Then

From the similarity of triangles,

Answer:
A. 3
Step-by-step explanation:

REMEMBER to MULTIPLY FIRST!!
21 / 7 = 3