C= Clarence, J= Juan, and D= Darlene
C= 3J-5
D= C/2+2
J= c
Your answer is 17 for this on,e
Answer:
The area of the sector is 
Step-by-step explanation:
step 1
Find the area of complete circle

we have

substitute

step 2
Find the area of the sector
we know that
The area of complete circle subtends a central angle of 2π radians
so
using proportion
Find out the area of a sector by a central angle of 1/9 pi radians

Emily will have to knit for 4 nights because
4 centimeters the first night
8 centimetres the second night
12 centimetres the third night
16 centimetres the 4th night
it adds by 4 centimetres each night.