Question 1
The following nine tasks (with completion times given in hours) are all independent:
![](data:image/png;base64, /9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsKCwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRT/2wBDAQMEBAUEBQkFBQkUDQsNFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBT/wAARCAARAB4DASIAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD7p8K+OviH8Y7G78ReDL3wx4c8LJqFxZ2H9taZPqVxqUcErQySkxXUC24aWOQKMSnaAxwTsFzxL8Vtbi0vxWunNYWN5oD6dptxevpt1qcI1G4MTSpHBE0ck6Rxzw4VGDO0mPlKYavofwT8W/DjVNWi+H3jbTNH8Lapfy6lJomveH21E2c8rl5/ss0d1blFdmZ9solwxOMD5asaX4J8V+H9b8b6domuDTrnVb6316w1m/0sXlvI/wBnitriC4jR4txzAsmEeE/vl2khHFTBLktJ62++Wl/lbme62VrDvad3tf8ADp032Xz1b65Hg344X7+Ev7b1TxBpPieC112DSNVWy8M3+gXWmeeY44xLZ3U00wcSSxMdwQGOQMOFy3uteK+LPhZqtx4cuNLkuBrHiXxXrGn3WtatbWRgs4YrZoWfZEZGMaeXb7FQyu++UnLAHHqPhKXXJ9Eim8RR2sGpSu8ht7RSFhjLExxsS7BnVNoZlO0tnbxitXr/AF5LpZff632u1ayX9d/+G37aI2aKKKgAooooA//Z)
D(3), E(6), F(4), G(1), H(2), and I(4). Using the critical-path algorithm to schedule this project with four processors results in a finishing time of
◦ 9 hours.
◦ 12 hours.
◦ 8 hours.
◦ 10 hours.
◦ none of these
Question 2
The 100th term in the arithmetic sequence 3, 7, 11, 15, . . . is
◦ 407.
◦ 103.
◦ 403.
◦ 399.
◦ none of these