Answer:

Step-by-step explanation:
<u>Length Of Semicircles
</u>
The length of a circle or radius r is

A semicircle has half this length:

The radius of the flowerbed is 2.5 m, thus the length of the edging material needed to border the lawn design is


Answer:
25-15=w;w=10
Step-by-step explanation:
25 is the most it can weigh, and 15 is how much it weighs at the moment. The w stands for how much the weight can go up.
Answer:
3200
Step-by-step explanation:
growth = current population + rate * time
= 2000 * .04 * 15
= 1200
original population + growth = total
2000 + 1200 = 3200
200,000+ 70,000+ 7,000+ 100+ 80