The statement above is TRUE.
In mathematics, an expression refers to a definite combination of symbols, which are formed according to mathematical rules. Mathematical symbols can be used to represent numbers, variables, operations, functions, etc. Each mathematical expression usually have its order of operation.The parts of mathematical expression are called terms.
Equation (1)

Equation (2)

Get y alone in equation (1)

Insert y in equation (2)

Answer:
Increases, same, increases, decreases
Step-by-step explanation:
I mean just look at the graph
Answer:
x = z/(6πy)
Step-by-step explanation:
Divide by the coefficient of x.
z/(6πy) = 6πxy/(6πy)
z/(6πy) = x