Urgent Will mark as branlist <3

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer