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:
525 meters
Step-by-step explanation:
B, D, and E
The absolute value of -37 is 37.
The absolute value of 37 is also 37.
When you distribute the negative in the parenthesis the -37 becomes positive.
Answer:
6.
Step-by-step explanation:
11 + 2k > 19
2k > 19 - 11
2k > 8
k > 8/2
k > 4.