I believe it would be 3$ more for that month... it would make 15$ and 4x15 is 60. Hope this helps :)
Yo just do a squared plus b squared plus c squared
Answer:
45 students speak Spanish at Francis Lewis High School
Step-by-step explanation:
Option1:

18000 = 400x
x = 45 students speak Spanish at Francis Lewis High School
Option2:
72 ÷ 400 = 0.18
0.18 * 250 = 45 students speak Spanish at Francis Lewis High School
It's about 94.3m
You have to find the length of the diagonal, subtract the diameter of the circle, then add half of the circumference