3(picture) convergent and divergent series

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!

Find the area of the triangle shown 3 by 6

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol