Write the sum of 3x^2 + x + 8 and x^2 - 9

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

If a=0.333333 and b=0.55555, what is the value of a+b