Need with number 50 plz! geometry

Name the type of angle shown.calculation tip: common types of angles are zero, straight, right, acute, or obtuse.

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?