I need a real answer this time

What expression is equivalent to 42x-56y

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

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?