Answer:
15
Step-by-step explanation:
-75 x-3 is 225
Square root of 225 is 15
Answer:
the y intercept is -9/2 or -4 1/2
Answer:
x^8-y^8
Step-by-step explanation:
Answer:

Step-by-step explanation:
At least 6 hours means that the people took at least 6 hours and at most any number that is greater than 6. Here the greatest no. is 10.
<em><u>So, the range for this will be 6-10</u></em>
No. of People who sleep for 6-8 hours = 9
No. of People who sleep for 8-10 hours = 3
No. of People who sleep for 6-10 hours = 9+3
=> 12 people