Y + 23/7 = 4
two step equations
pls help me i need the answer

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?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Which is the scale factor proportion for the enlargement shown?