as you should know, to get the inverse of any expression, we start off by doing a quick switcheroo on the variables and then solve for "y".

A) 1/2*12 = 6 ft above sea level
B) Because City D is 1/2 of 6, it cannot be negative because we are not multiplying anything by a negative number.
Answer:
a rise of 20 degrees
Step-by-step explanation:
since it started at -2 degrees, you have to add enough to get out of the negatives.
-2 + 2= 0, then 0+18 to get to the 18°
-2 + 20 = 18
Answer:
Yes, *2
Step-by-step explanation:
The second figure is exactly half of the first figure
Since he deposited 160 then took out 160 it did not change