Answer:
B 405
(=20*9 + 25*9)
what are the blue-ish dots on your screen? :|
25 mg is lighter than 25 cg because mg is 0.001 g and cg is 0.01 g :)
This should help 10-1=9 9÷3=3 x=3
Inverse function: you need to exchange the position of x and y, in other words,
x = (5-2y^2)/(3y+10) , then, if you need a representation of y with respect to x, then you need to perform some math.
16 because one eighth is 2 and if u times 2 by 8 because it’s one eighth then u have 16