0.9b + 2 is the correct answer
Answer:

Step-by-step explanation:
The circumference
of circle of radius
is given by
,
and the diameter
is 2 times the radius:
.
Therefore, the ratio of the circumference to the diameters is

.
Putting in
, we get

Answer:
um......ok but im tryna save my points...but ty for the points anyway
Step-by-step explanation:
Answer:81
Step-by-step explanation:
85% + 50% - 60%
135% - 60%
<em>y-intercept</em><em> </em><em>is</em><em> </em><em>where</em><em> </em><em>the</em><em> </em><em>line</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>graph</em><em> </em><em>crosses</em><em> </em><em>through</em><em> </em><em>the</em><em> </em><em>y-axis</em>