Circumfrence: pi times diameter
7.9*

circumfrence is approximatley 24.806
area:

a=

*(1/2(d))^2
a= 48.99
Answer:
Answer is in picture
Step-by-step explanation:
Hope it is helpful....
248 divide by 8 = 31 so she gets 31$ for mowing 1 lawn
The determinant is C. -541.
Using a cofactor expansion along the first row:

Answer:
Add all the numbers from 30 to 80 and that is your answer
Step-by-step explanation: