Answer:
Step-by-step explanation:
-----> Multiply by -1:
-----> Divide by 2.5:
Hope this helps!
x ≥-10
–2.5x ≤ 25
Divide each side by -2.5, remembering to flip the inequality
–2.5x/-2.5 ≥ 25 /-2.5
7.5
Using pythagoras theorem
Sqrt(9^2-5^2)=7.483