It’s obviously the top one
Answer:
To rationalize the denominator means to eliminate any radical expressions in the denominator such as square roots and cube roots. The key idea is to multiply the original fraction by an appropriate value, such that after simplification, the denominator no longer contains radicals
I'm not sure but I think it's 40 water stations...
<span>4x2 + 23x – 72
= (4x - 9)(x+8)
hope that helps</span>