65 over 100 of what number is 780

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale

Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4,999. the drive is currently serving a request at cylinder 2,150, and the previous request was at cylinder 1,805. the queue of pending requests, in fifo order, is: 2069, 1212, 2296, 2800, 544, 1618, 356, 1523, 4965, 3681

What is the common difference in the arithmetic sequence? 7, 14, 21, 28, 2 3 4 7