Answer:
The slope would be 4/5
Step-by-step explanation:
y=(m)x+b and b is the slope.
Answer:
Age of Mark
years
Age of Mark's dad
years
Age of Mark's sister
years
Step-by-step explanation:
Let age of Mark be
years.
Mark's dad is three times older than Mark
Age of her Mark's dad 
Mark's sister is 2 years younger than Mark
Age of Mark's sister
years
The sum of their ages is 48.

Age of Mark
years
Age of Mark's dad
years
Age of Mark's sister
years
Answer:
Step-by-step explanation:
they are both written about a particular individals life
High school A had 15 people in each van and bus.