Circumference=2πr
2π=2πr
r=1
area=πr^2
area=π(1)^2
area=π
(-4x/x+7) - (8/x+7)
= -4x-8/x+7
so; the answer is (c)... :)
Answer:D.
Step-by-step explanation:
yards to feet equals 0.3 repeating
Pounds to ounces equals 0.0625
Gallons to pints equals 0.125
Centimeters to millimeters equals 0.1
So d is the right answer
Answer: b
When you add the same number to both sides it maintains equality