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From my research, the original equation Fiona wrote was "y = (2/5)x - 5". It also had choices as written below:
x – 5/4y = 25/4
<span>x –5/2 y = 25/4 </span>
<span>x –5/4 y = 25/2
</span>
<span>x –5/2 y = 25/2 </span>
To obtain the possible equation Henry had written, the coefficient of x was removed, and the equation was placed in the form x + y = c. This is shown as follows:
y = (2/5) x – 5
[ <span>y = (2/5) x – 5 </span>] (5/2)
(5/2)y = x - 25/2
x - (5/2)y = 25/2
<span>Therefore, Henry's equation is x – (5/2) y = 25/2.</span>
Answer:
c. infinitely many solution
Use cosine.

We have:
adjacent = 9cm and hypotenuse = 17 cm

First, we need to find the area of the rectangular playground.
To do this, we must multiply 40 by 10.
We get 400 meters².
Now divide 400 by 200 and you get 2.
That means 2 bags will be needed to cover the entire area of the playground.
To find the price, multiply 30 by 2.
The total cost for this project will be $60.
Hope this helped you out! :)