Divide the amount he paid by the number of hours.
$79.80/(6 hours) = $13.30/hour
This is a problem of Difference-of-squares. We know that for a difference of squares

the factorization is given by:

To learn this you need to remember that a <em>difference</em> means <em>subtraction.</em> So applying those concepts we can solve this problem step by step.
Applying distributive property:

Applying distributive property again:

Simplifying:
<em>The correct answer is C</em>
X+(y+5)=19,deoarece 19-5=14,dar14=x+y,apoi dam valori lui x si y astfel incit suma lor sa fie egala cu 14 de exemplu x=6 si y=8.Demonstram (6+8)+5=19sau 6+(8+5)=19.gata:)
Answer:
10 1/2 sticks, or 11 sticks with half a stick left over.
Step-by-step explanation:
If every student (and there are 14 students) needs 3/4 stick of butter, the equation is 3/4 x 14 = 10 1/2
<h2>MARK ME AS BRAINLIEST PLEASE</h2>
80° is the correct answer