If it was 23 degrees below zero it would be -23 degrees
Solute = what is dissolved
solvent = that which dissolves or can dissolve
You take it from here.
Answer:
8
Step-by-step explanation:
X*y=72
x = 5y-2
x=72/y
72/y=5y-2
72=5y^2-2y
5y^2 -2y - 72 = 0
(5y+18)(y-4)=0
y = -18/5 discard
or y = 4
4x=72
x=18
(18,4)
