Answer:
circumference of a circle
Step-by-step explanation:
Actually, the formula is C = 2πr. C stands for "circumference."
7x+3y=-1
x+y=-3
8x+4y=-4
2x+y=-1
y=-1-2x
x+y=-3
x-1-2x=-3
-x=-2
x=2
y=-1-2*2=-1-4=-5
Answer:
22x^2-20x+21
Step-by-step explanation:
thats if you meant x^2-10x+21x^2-21
Answer:
its rather 3 or 5 its prob 3
Step-by-step explanation: