Answer:
(f(x) g(x)) =
all real numbers
Step-by-step explanation:
(f(x) g(x)) = 
=
via FOIL
X= -8/5y+16
y= -5/8x+10
you didnt say if the equation was "5x+8y=80" not sure if your adding or subtracting or adding but if your adding then this is correct :)
Hello :
2x² = 2
x²=1
x²-1=0
(x-1)(x+1) = 0
x-1=0 or x+1=0
x=1 or x= -1...(answer : <span>B. There are two solutions: -1 and 1 )</span>
Using the relation 1 in = 0.0277778 yd:
324 in * (0.0277778 yd) = 9 yd.
Among the choices, the correct answer would be A. 9 yd.