Answer:
Step-by-step explanation:
0.43
A=.43
z=1
3z+(-4)=-1
Add 4 to each side
3z+(-4) +4=-1+4
3z = 3
Divide each side by 3
3z/3 = 3/3
27
Answer: Center (-2,3), radius 2
Step-by-step explanation: Subtract 9 from both sides, then complete the square for the x and y variables & add to both sides: . The center of this circle in the form is (a,b) with radius r. a=-2, b=3, r==2
infinite