Answer: Use the formula.
Step-by-step explanation: The circumference of a circle is found with the formula C= π*d = 2*π*r. Thus pi equals a circle's circumference divided by its diameter. Plug your numbers into a calculator: the result should be roughly 3.14.
Answer:
D
Step-by-step explanation:
because it seem to be correct
The answer is B
none
x=20
-2(20) + 4(y) =-4
-40+4y=-4
-4y=-36
y=9
Answer: 6 units
|-5.4| + |0.6|
5.4 + 0.6 = 6 units