April took out a $600 loan from the bank. At the end of 5 years, she pays back the principal, plus $60 simple interest. What was the annual interest rate?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.