Question

28/29 and 30 please short explanation thanks

Answer 1

Answer 28.

Possible values for the three factors of -3

1. 1, -1 and 3
2. -1.5, 1 and 2
3. 1.5, -1 and 2  
4. 1.5, 1 and -2

Answer 29.

The product of two nonzero integers will be less than or equal to both of the integers if they are multiplied by number itself and one or by number itself and one with negative sign.

Answer 30.

The sign of the product of three integers with the same sign will be positive or negative. If odd number of same sign is multiplied, the product will be of that sign.

(+)  (+)  (+) = (+)

(-)  (-)  (-) =  (-)