A.
estimate: 8/5
quotient:1.6
b.
estimate: 7
quotient: 7
c.
estimate: 15/2
quotient:7.5
Answer: 
Step-by-step explanation:
Given
Cost per student in the year 1978 is $2200
The cost increases to $10,300 in 2008
Suppose
is the linear equation defining the cost per student after x years
Substitute the value for 1978

After 30 years it becomes

Thus, the linear equation becomes

Answer:
x=-1 and x=1
Step-by-step explanation:
all you have to do is replace the letters with numbers and
Answer:
135 degrees.
Step-by-step explanation:
Assuming that it is a regular octagon, you can use the formula (n-2) (180) divided by n. n = sides. Therefore, (8-2) (180) divided by 8, which is 135.