Billy used four colors to divide 4.20 by 4 wich model shows 4.20 divided 4

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm