Answer:
8
Step-by-step explanation:
1/2*4*4*1=8
Answer:
(4,5)
Step-by-step explanation:
The equation of a circle that has centre coordinates (a,b) and radius r is
(x-a)^2+(y-b)^2=r^2
so (4,5) satisfy the equation
3^2+4^2=9+16=25
Hi there I know the answer but it was confusing so it has to be D or B
Y= -2x+4 m represents the x value and b the y intercept