Make x the subject means you need to solve for x
y = ax^2 solve for x
divide both side by a
y/a = ax^2/a
simplify
y/a = x^2
so
x = square root (y/a)
Answer:
hight mmm or it's depents on the speed of roller coaster
4+x=18, the sum would make it an addition problem and x would represent "a number".
The answer would be $280.00 and that’s just simple as that :)
Product means multiply, a number means any variable so 6x is the answer