Which number doesn’t belong with -10/2 , -13.4, √26, -31/6

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?