What is the rate of change this linear function

What is the measure of angle afe? 79 81 91 99

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

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.