You multiply -4 to everything inside of the parenthesis which is 20w+12u-8
Well if the radius of the circle is 34.5 all you have to do to get the length of the diameter is double it (multiply by 2)
34.5•2=69
34.5+34.5=69
the diameter of the circle is 69
Answer:
Step-by-step explanation:
There are no fractions I am assuming the fraction is 88/25 which would be 88/5^2