What is the  correct answer to this but u have to combine the like terms first add (2x+3t)+5t

Write 17/20 as a decimal and as a percent.

Can you me find the missing length. i attached an image.

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