It should be figure B
Hope it helps :)
2 dollar coins+ 2 50 cent coins+ 3 25 cent coins+ 1 dime+ 1 nickel= $3.90
3x+4x=2
You add 3x and 4x which gets you 7x
7x=2
You divide both sides of the equation by 7
x=2/7
This will be your result
An nth degree<span> polynomial can have as many as n real roots.</span>
