(A)
This is because you have to add $8 to your total bill, so you add 8 to the snacks you buy for you and your friend (2 x)
Also, 22 is the max amount you can use, and you don't add anything to your budget when you buy things.
The roots of the polynomial equation x superscript 4 baseline x cubed = 4 x squared 4 x are –2, –1, 0, 2.
The polynomial equation is given as:
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Y = x - 6....so sub in x - 6 for y in the other equation
3x + 2y = 8
3x + 2(x - 6) = 8
3x + 2x - 12 = 8
3x + 2x = 8 + 12
5x = 20
x = 20/5
x = 4
y = x - 6
y = 4 - 6
y = -2
solution is (4,-2) <==
Hi!
The expression would be (8 x t)s
Hope this helps !