We need to know the schedules . . . How often does each shuttle run ?
Answer:
9a - 2b
Step-by-step explanation:
6a - 6b +3a +4b . . . . . . . we assume your _ is supposed to be -
= a(6 +3) +b(-6 +4)
= 9a -2b
Answer:
2 Gallons are needed to cover entire wall
Answer:
Yes you did good job
Step-by-step explanation: