The set of integers is not closed for
(1) division (3) addition
(2) multiplication (4) subtraction

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Factor the polynomial by its greatest common monomial factor.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air