Over a four-week period, gail earned the following commissions: week 1 $250.00 week 2 310.00 week 3 275.00 week 4 195.00 what was her average weekly commission for the period?

Plz i want answer and i would appreciate it is is a b c or d

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?

What is the value of x in the diagram below?