Answer:
D.
Step-by-step explanation:
He has to walk down 3 blocks and right 10
Answer:

Step-by-step explanation:
The best way would be to have 00 begin then a 1 and 00; starting with the possibility of 00 or 1 means that we might not get 1 in some formation.
Answer:
the second option
Step-by-step explanation:
Answer:
30a + 18b
Step-by-step explanation:
6(5a+3b)
Just multiply the six in both numbers
( 6x5a) + (6x3b)
= 30a +18b
Hope this helps =)