<span>What is 6 [4•(72-63)÷3]?
</span><span>6 [4•(72-63)÷3]
</span>
=72
Answer:

Step-by-step explanation:
Soh-cah-toa is a great way to remember:

You just remember the first letters : sine= opposite/hypotenuse , for example.
Answer: its b
Step-by-step explanation:
Answer:
We can have 7 fish in fish tank containing 35 gallons of water.
Step-by-step explanation:
Given:
2 fish per 10 gallons
∴ 1 fish can be in = 
To find Number of fish in 35 gallons of water
Number of fish in 35 gallons would be = 
Answer:
18 and 19
Step-by-step explanation:
n+(n+1)=36
2 x n+1=36
n>35/2