The base of a rectangular pyramid is 13 inches long and 12 inches wide. the height of the pyramid is 8 inches. what is the volume of the pyramid

Can't explain but gavin is not right, if he or she gains 9% in his or her 10 dollars in a year at the end of the year he or she is going to have 19 dollars total. in contrary if he or she has the $10 and he or she is gaining 2.25% quarterly then at the end of the first quarter he or she is going to have 12.25 dollars total. then at the end of the second quarter he or she will have 15 dollars and 12.5 cents because we are apliing the 2.25% to 12.25 dollars no to 10 anymore. if you continue adding the percentage for the two last quarters at the end you will have more a lot more money than yearly