Help :( please

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

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?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.