Jeffrey purchase and download 12 songs on monday he purchase an additional 3 songs on tuesday the cost to download each song is $2 write a numeral expression to represent the situation

it would open into a square depending on the type of envelope i’m not sure about the second part

his first public project he is asked to create a small scale drawing. the garden is a right triangle with base 25m and height 30m. are you trying to solve for the last side/hypotenuse? the irrational form of the answer would be 5\sqrt{61}