Ryan, Jesse, and Mark each solved this system of equations. All of their answers are different. Find and explain the mistakes. What is the correct answer? −
x
=
−
y
+
2

3
y
+
4
=
2
x

Ryan’s
I solved by adding the equations. The solution is
(
2
,
0
)
.

−
x
=
−
y
+
2

→

x
−
y
=
2

3
y
+
4
=
2
x

→

2
x
−
3
y
=
4

x
=
2

x
−
y
=
2

→

2
−
y
=
2

y
=
0

Jesse’s
I used matrices. The solution is
(
−
2
5
,
0
)
.

system determinant
=
[
−1 1 −2 3
]
=
−
3
−
2
=
−
5

x
-determinant
=
[
2 1 −4 3
]
=
6
−
4
=
2

y
-determinant
=
[
−1 2 −2 −4
]
=
4
−
4
=
0

x
=
−
2
5

y
=
0

Mark’s
I graphed the equations. The lines intersect at
(
−
10
,
−
8
)
, so the solution is
(
−
10
,
−
8
)
.

Avery has saved $295 to spend on christmas gifts for 11 people. which is the best estimate of the amount he can spend for each person?

Can you me find the missing length. i attached an image.

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.