Please help for the love of god it's 2am and I can't figure this out.​

Larry bar opened a frame shop and completed these transactions: larry started the shop by investing $41,100 cash and equipment valued at $19,100 in exchange for common stock. purchased $180 of office supplies on credit. paid $2,300 cash for the receptionist's salary. sold a custom frame service and collected $5,600 cash on the sale. completed framing services and billed the client $310. what was the balance of the cash account after these transactions were posted?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).