If O is the center of the circle, find the measurement of arc NM
.
A 33°
B 66°
C 81°
D. 114°

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!