Answer:
0.53
Step-by-step explanation:
Basically just go to your calculator and put in 8 divded by 15
<span>the answer is C. x ≥ 8.00 and x < 9.50
proof
</span>x ≥ 8.00 is equivalent to 8.00 ≤ x, and we have also <span>x < 9.50
so </span>x ≥ 8.00 and x < 9.50 or <span>8.00 ≤ x < 9.50</span>
Answer:

Step-by-step explanation:

Explain why dosea mountain climber needs an oxygen supply at very high altitude even through the air still contains 21% oxygen