Its line 1
if we expand the second and third expressions they come back to the first.
The last one is called the vertex form of a parabola
I belive its D dont take my word for it but i belive that is the answer
Answer:
9pi
Step-by-step explanation:
circumference= 2 (pi) (r)
radius = diameter \ 2
r = 9 \ 2 = 4.5in.
c = 2 (pi) (4.5)
c = 9pi or 28.3in.
Hope this helps!
6%=0.06
28(0.06)
= 1.68 ---> tax
28+1.68
= 29.68
Jen and Sarah spent 29.68 dollars including tax
I hope this answer helped you and have a wonderful day!
Answer:
its C
Step-by-step explanation:
