Write this product in its simplest form -5a•6a^8

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each