What is the proportion of the value of the missing number on 75/100 equals. ? /400

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)