Answer:

Step-by-step explanation:
Let's bring the line in the classical
form

At this point we have the two values
for the slope and
for the intercept
Answer:
h = 12 in
Step-by-step explanation:
To find the height, divide the volume by the base:
2880 in^3
height: ------------------ = 12 in
240 in
Answer: 19 years
Step-by-step explanation:
Given
Amount invested 
Rate of interest 
after 1-year amount becomes

After n years it is

Sum accumulated is 

Just took the test. A is the right answer.