Does the equation x^2+y^2 represent a function with x as input and y as output? if so express the relationship as a function y=f(x)

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree