Answer:
5.7
Step-by-step explanation:
pythagorean theorem
A^2 + B^2 = C^2
sub in
A^2 + 7^2 = 9^2
simplify
A^2 + 49 = 81
solve
A^2 = 32
solve further
A = 
use calculator and get:
5.65685
round and get:
<u>5.7</u>
Answer:
That isn’t possible
Step-by-step explanation:
Answer:
Step-by-step explanation:
The rationalizing factor of 
is 
Hey!
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A open circle means that x is < or >.
A closed circle means that x is ≤ and ≥.
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Answer: A) x > -8 or x ≥ 5
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Explanation: Their are two dots on the number line. One being a closed dot and the other being an open dot. The open dot symbolizes that x needs to be greater than -8. The closed dot symbolizes that x needs to be less than or equal to 5.
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Hope This Helped! Good Luck!
