Which expression represents the phrase subtract 4 from 112, then divide by 2

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!

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal