Answer:
Line a and b
Step-by-step explanation:
3 1/4 = 13/4
1 3/4 = 7/4
13/4-7/4= 6/4
6/4= 1 1/2 hours more
Answer:lll
2ab
7ab+8ab+(-10ab)+(-3ab)=
=15ab-13ab= 2ab
Answer: 120000
