Evaluate the following expression if x = 23, y = 0.6 and z = -9:2(x - y)

201.6 im not sure but if u put this: and meant to put a * multiplacation simble then this should be right.

Step-by-step explanation:

x=23              y=0.6          z=-9       (x-y) = ( 23-0.6 ) = 22.4*9 = 201.6

what is a pre-existing condition claus?

means if you're already damaged some way when you take out a medical insurance you will not get full compensation for that injury that you already have.