ive asked this question a million times with rude answers. can someone plz just help me with number 4 ._.

Which rational number could be graphed between -4 and -5

How do you determine whether a relationship represented as as graph is linear or nonlinear

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!