3) Each side of a regular octagon has a length of 20.6 cm, correct to thenearest millimetre. a) Write down the least possible length of each side.
b) Write down the greatest possible length of each side.
c) Write down the greatest possible perimeter of the octagon.
Please help!

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

Asphere has a diameter of 10 in. what is the volume of the sphere?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)