What is 3x=5 a positive solution, negetive solution, zero solution, or no solution

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Answer this question, only if you know the answer. 30 points and brainliest!

How much is $1200 worth at the end of1 year, if the interest rate is 5.5% is compounded quarterly.