Apack of cinnamon-scented pencils sells for $5.00. what is the sales tax rate if the total cost of the pencils is $5.20?

Aportion of a line bounded by two points is defined as

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?

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