Need help asap!! What is the circumference of the circle shown?

While picking thirty apples, mia noticed that six apples had worm holes and had to be thrown away. what is the ratio of good apples picked to bad apples picked?

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)