Make into improper fraction so 3x100 +90= 390/100
Then divide 390 by 100 and you get 3.9
Answer is x=-4 second choice
Answer:
10 feet
Step-by-step explanation:
Find the hypotenuse
a^2 + b^2 = c^2
6^2 + 8^2 =c^2
36+ 64 = c^2
100=c^2
(square root) 100 = 10
c=10
