We are given
First equation:

we can use formula

slope is m=1
y-intercept is b=-1
Second equation:

we can use formula

slope is m=-2
y-intercept is b=5
Graph:
We can see that
both curves intersect at (2,1)
so, solution is x=2 and y=1.................Answer
Answer:
Mean: 4.44 add up every number and divide it by how many there is.
Median: 3 put from least to greatest and count till the middle.
Mode: 3 because it appears the most
Answer:
-5^11
Step-by-step explanation:
Answer:
per teacher = 20 students
per tutor = 12 students
72 students = 18 tutors
Step-by-step explanation:
Divide 60 by 3 to get 20
Divide 48 by 4 to get 12
Divide 72 by 4 to get 18