(x+7) (3x-8) in simplest form

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.