Let s be the son's age 15 yeasr ago and m the mother's age that year.
We also know that:
Plotting vallues:
Remember that they were that age 15 years ago.
So their actual age is 30 and 60.
Answer:
The completely factored from
Step-by-step explanation:
is 20
Answer:
to be able to answer that for you we would need graphs but the graph should have these three points -2,-7 0,2 and 2,8 it will also be a diagonal line going up right
Step-by-step explanation: