Answer:
131x
Step-by-step explanation:
7x² + 6x + 9x² - 5x
49x + 6x + 81x - 5x
136x - 5x
131x
<em>I think your answer is fine</em>
Answer:
equivalent = 30w 30(w) 30*w
the rest are non equivalent
3x = 20.40. Divide each side by 3.
x = 6.8
she earns $6.8 per hour
