Answer:
3B-15a
Step-by-step explanation:
B3=3B
3a5=15a
so
3B-15a
Answer:
<h2>no solution</h2>
Step-by-step explanation:

Answer:

Step-by-step explanation:
Please consider the complete question.
Sebastian swan laps every day in the community swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks. In that time, he swam 1800 laps. What was his average rate in laps per hour?
Let us convert time taken into hours as:


1 hour = 60 minutes. To convert minutes into hours, we will divide total minutes by 60.

Now, we will divide 1800 by 45 to find average rate in laps per hour as:


Therefore, Sebastian's average rate is 40 laps per hour.
Answer:
2 triangles ?
Step-by-step explanation:
sorry if i got this wrong, when you cut it through the middle connecting the ends it give you two triangles?
Answer:
400 x however long those ribbons are
Step-by-step explanation:
1 meter is 100 centimeters, and there are four rolls. so 4x100 equals 400, and you multiply that by the length that you didn't provide.