Alex bought six books priced at $8 each. he got a discount of 20% off the total cost. how many did alex pay for the books, write your answer up to two decimal places

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

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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! "?