I put x=6, and y=3, and O=60, but the website said I was wrong, pls help

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?

Each day jake donates money to the global.

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?