The circumference of a circle is always calculated by 2

R
So if R=2.5 m this circumference is 2*

*2.5 m
Which is 5

m (choice B)
Hope this helped!
Answer:
x= 149, second problem 900°
Step-by-step explanation:
in quadrilateral all sides must add to 360 so do 360- given angles
inside angles add to 900° on a heptagon
Answer:
33.4
Step-by-step explanation:
Answer:
A represents the amount of money in the account. W represents the amount of weeks. -6 represents the change in her balance every week. 40 represents the amount of lunch money she starts with.
Given:
initial amount deposited = $2,520
final amount acquired = $2,850
number of years = 2 years
Use the formula from economics,
F = P (1 + i)^n
2,850 = 2520 (1 + i)^ 2
solve for i
i = 6.3% per year <span />