Please help and answer fast

What other information do you need to prove triangle dac=bca by asa

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?

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y