1. 4/8 in simplest form 2. 4/12 in simplest form 3. 3/9 in simplest form 4.2/4 in simplest form 5. 12/15 in simplest form show work for 12 points

How do you do this geometry problem

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!

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4