Answer:
r = 
Step-by-step explanation:
We simply are rearranging C= 2πr in terms of <em>r</em>. We just divide 2π on both sides.
The slope is 7. whatever number is next to x is the slope. if there is no x then it is a horizontal or vertical line.
Answer:
52
this is most likely the correct answer
Answer:
3/8
Step-by-step explanation:
they simply combined the like terms (aka the x numbers in this case) so all that's left is 3/8