Answer:

Step-by-step explanation:
Divide 4 by both sides
Then you get 4=3+b2
Then subtracts 3 from four
You get 1=b2
Answer:
Apply cosine rule:
c²=b²+a²-2ba cosC
C= pi/3 = 180/3 = 60 degrees
cosine 60 deg = 0.5
c²=2²+3²-[2×2×3×0.5]
c²=7
c=√7
c=2.645 ;length of third side of angle
Step-by-step explanation:
Answer: c
Step-by-step explanation:it is lower price and its only 7 pounds of so the smaller bag will last you a long time about a few months