Company A : 15h + 20
Company B : 5h + 40
when would company B be cheaper....
15h + 20 > 5h + 40 ...put the less then sign towards Company B, then solve
15h - 5h > 40 - 20
10h > 20
h > 20/10
h > 2
Company B would be cheaper when the hours (h) are greater then 2
AB+BC you will get the length of AC
Ywz is a right angle because it is 90 degrees ... you could make a box in the corner.
46 fives. I hope I helped.
Answer:

Step-by-step explanation:
The given expresion is

We need to remove the highest perfect square from the radicand.
We rewrite 54 as 6*9
This gives us:

This is the same as

We now simplify to get:
