We have a point and a slope, so let's use the point slope formula!

where
x1=4
y1=2
and m=3
Answer:
28.26
Step-by-step explanation:
circumference= 2πr or πd (diameter)
9 x 3.14=28.26
Answer:
6a
Step-by-step explanation:
A coefficient is the number hooked to the variable therefore the term 6a is your coefficient
30 is 50% of 60 because 50% is a half