Answer:
C: 
Step-by-step explanation:

Since a =
:

Since n = 4 :

Answer : $22.50
Explanation: .30•25=7.5 30-7.5=22.5
Answer:
Since the difference between the value for each year is constant, this is an arithmetic sequence.
Step-by-step explanation:
Year 2 - Year 1 = 21,750 - 20,000 = 1,750
Year 3 - Year 2 = 23,500 - 21,750 = 1,750
Year 4 - Year 3 = Year 5 - Year 4 = 1,750
Answer:
140 will be his weight of Antony's weight
Remember, rise/run is the easiest way to determine slope
y=mx+b is form
mx is slope, whilst b is y int
so, answer? y=-3x-2
Or A.