i need some on this test question! : (

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

The total number of dental clinics total for the last 12 months was recorded

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?