Answer:
23
Step-by-step explanation:
3z + 2(z-1)
Let z=5
3*5 +2( 5-1)
15 +2(4)
15+8
23
Answer:
2 kilometers
Step-by-step explanation:
every 1 kilometer is a 1/2 hour. double that and you get 2
Djiejdnfjeodkcjsjsidjdnbd!;!;73!;!
Answer:
72 is the least common multiple
Step-by-step explanation:
The first one is the multiples of 9 and the second one is of 8
The only one they have in common is the number 72