Answer:
base=6
Step-by-step explanation:

Answer:
There is no solution to this answer.
Step-by-step explanation:
Leah's rate is 10x
Jason's rate is 20x
If you solve for 20x=10x, you get no solution. They are parallel lines.
Answer:
6547
Step-by-step explanation:
Answer:
2^21
Step-by-step explanation:
3+18=21