The United Kingdom is responsible for about 1 × 104 kilograms of carbon emission pollution each year. Which country is responsible for greater carbon emission pollution each year? THIS IS URGENT!!

Find the difference (8ab+a+2) - (3ab+6)

Could somebody me with this radical simplification?

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