Ten less than four times a number is 50
the equation is the solution is

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?

10% of 1,900,000. show me how you got the answer

Use sigma notation to represent the following series for 9 terms.