before the raise you were earning 100% of "x", we also know that 6% of "x" is 312, since that is what you've got in the raise, therefore

Answer:
) +, -
e) x, ÷
g) ÷
Step-by-step explanation:
18y⁸z²=18y⁸z², you have to simplify it and add like terms to get your answer