Someone please help me! Write in standard form!

What value of x is in the solution set of –5x – 15 > 10 + 20x?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

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!