Answer:
The son is 20 and the father is 80.
Step-by-step explanation:
The geometry sequence has the equation
.
The 5 represents the first number of the sequence and the 3 represents the common ratio.
a(5) = 
answer: 405
Answer:
You see where ANY two intersection of the line touch the grid. Then you do the rise/run (y/x) method.
The answer is 3/4.
Because it rises 3 times and runs 4 times.
BRAINLIEST!!