Hey so i got this project due 2 days from now and i was wondering if i did this right or not (look at pics) if i did it wrong can you me? i need to get a good grade on this. btw i need to isolate each variable

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72

Factor the following expression completely 6x^11-24x^7

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?