The base of a square pyramid has sides that each measure 5 inches. If each triangular face has a height of 8 inches, what is the total surface area of the pyramid? Please help ASAP

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Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip