8=-(x+4) i need with this i can't figure it out

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

Is a positive integer raised to a negative power always positive

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.