Find a 4 digit odd number using each of the digit 1,2,3,4 and 5 only once such than when the first and the last digit are in interchanged it is divisible by 4

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

What is the volume of a cardboard box that measures 1 inch by 5 inches by 7 inches? the volume of the cardboard is cubic inches. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to the nearest tenth, like this: 42.5