Yes if he practices X amount of hours and is told to practice X amount of hours than he practiced long enough
<h2>
<u>D.</u></h2><h3>
It's incorrect, because 6 squared = 36, 8 squared = 64, add them together and you get 100. 12 squared does NOT equal 100, it equals 144.</h3>
<em>(To find the hypotenuse {longest side of the triangle}, you square the two short sides, add them together, and finally, divide it by the provided number, and see if the number matches the provided number's square.)</em>
<h3>
Brainly if correct and Thanks!</h3>
Answer:
5
Step-by-step explanation:
4(5+n)=4(n+p)
20+4n=4n+4p
4p=20
p=20/4
p=5
144 divided by 260 is 60%
Answer:

Step-by-step explanation:
Given

<em>See attachment for options.</em>
Required
Determine which of the options answers the question
Analyzing the option one after the other:

Multiply through by y


Divide through by 4


This can be rewritten as


By comparison with 
we have:



<em>Hence: this answers the question.</em>