Answer
Elena must have substracted 1/2x from both sides of the equation.
Lin must have multiplied both sides of the equation by 2
Explanation
The equation given is

For Elena to have arrived at

Then Elena must have substracted 1/2x from both sides of the equation.
That is;

For Lin to have arrived at

It shows Lin must have multiplied both sides of the equation by 2
That is;
Answer:
shheeeesh that is hard good luck
A.
is the secant line on the below circle.
<u>Step-by-step explanation:</u>
The intersection of the circle will result in either Tangent or Secant. Secant is a line intersecting a circle at two different point. This concept explains the relation between the circle and line intersecting it.
From the given diagram,
The
and
intersects the circle at the point H and I.
∴ It can also represented that the
and
intersects at a point G.
From the given options
is the secant line that intersects the circle twice.
Answer:
(9 + 11) /(5 + 4 + 1)(9 + 11)
20/10(20)
20/200
1/10
2.35 is equivalent to 235%