An equation is shown. 30+12=x(5+2) what factor, "x", is missing from the equation?

Does the point (1, sqrt 7) lie on circle shown.

What is the graph of the function fx x+2/x-3?

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?