C because drawing the blue marble doesn’t affect drawing the yellow marble because the blue marble was replaced
Answer:
3b
Step-by-step explanation:
b+b=2b
2b+b=3b
Answer:
32d
Step-by-step explanation:
-The students ride their bikes to and from school every day. The distance is thus;

-Taking that there are 5 school days per week and that it rains in one per week. the total number of days is:

Now, we multiply the distance per day by the total number of days:

Hence, the total distance in a 4-week period is expressed as 32d ( where d is the distance from home to school).