Answer:
The angle measure for angle c is 138 degrees
Find 10% of $19,200 = 1,920
Find 2% of $1,920 = 384
12% = $2,304
19,200 - 2,304 = 16,896 (year 1)
Repeat this until you have your 5th year :)
Answer:
a) it has one real solution
156/4=39 miles per gallon. 39*12 gallons is 468 miles, and 6 gallons is 234.