Find the least common multiple of 3 and 5.(1 point)

Responses

30
30

15
15

10
10

60

15

Find the least common multiple of 7 and 12.(1 point)

Responses

252
252

168
168

84
84

48

84

Find the least common multiple of 3 and 9.(1 point)

Responses

27
27

9
9

18
18

3
3

9

Mr. McCann runs every 4 days and cycles every 12 days. If he did both activities today, in how many days will he run and cycle on the same day again? Find the LCM of 4 and 12.(1 point)

Responses

12 days
12 days

24 days
24 days

8 days
8 days

4 days
4 days

12 days

Mateo and Ivy are building towers made of blocks. Mateo is building a tower 9 blocks at a time, and Ivy is building a tower 15 blocks at a time. How many blocks high do both of their towers need to be for them to be the same height?(1 point)

Responses

45 blocks
45 blocks

54 blocks
54 blocks

90 blocks
90 blocks

30 blocks
30 blocks

45 blocks