For this case we have the following system of equations:

We multiply the second equation by -3:

Thus, we observe that the second equation is equivalent to the first, if we add both we get:

The equality is fulfilled. The lines are on top of each other.
Answer:
Infinite solutions
Answer:
The answer to the problem is True
You would divide 121 by 8.
121 / 8 = 15.125 So she did about 15 sit ups in a minute. Hope this helps!
Answer:
is the resulting expression after grouping
Step-by-step explanation:
Given:

Now taking common
from 1st 2 numbers and and 3 common from last we get

Now taking x-3 common from both numbers we get
which is the final equation after grouping
Given:
The table of data values.
To find:
What is the percentage of 10th grade students are in 2 clubs.
Solution:
From the given table it is clear that the number of 10th grade students are in 2 clubs is 12.
Total number of students in 10th grade is:

Now, the percentage of 10th grade students are in 2 clubs is:




Therefore, the percentage of 10th grade students are in 2 clubs is 7.89%.