Answer:
314.16
Step-by-step explanation:
A= πr²
d= r²
20 × π = 314.16
-2
5[3x+4)]=-10
15x+20= -10
15x=-30
x= -2
Vertex is (-1/4, -81/8)
Does that help any?
∴ 5.5% is 55 m of 1 km.
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#9 slope is -2, y int is 3
#10 slope is 3/4, y int is 0
