Dave and 4 of his friends meet for breakfast. Each of the 5 people will pay for their own meal. They agree to divide the tip equally. The total for the breakfast was $80.00. The group will add a tip of 15% of the total. Each person's portion of the tip will be how much?

Give me the equations of two lines that have the same slope but are not parallel.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

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?