Which equation is equivalent to (5z^2+3z+2)^2 a)5z^4+3z^2+4 b)25z^4+9z^2+4 c)25z^4+30z^3+19z^2+12z+4 d)25z^4+30z^3+29z^2+12z+4

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

Will mark the brainliest. paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?

What is the solution for 6 - 7/8? explain the steps.