Ideposited 800 in my account a year later i get 56dollars in my account at what rate of intrest was i paid on my savings

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

In the diagram of circle o, what is the measure of zabc?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.