A $100 handbag costs $102 after sales tax is figured in. what is the sales tax percentage

What signals you that factoring by grouping is the best method to use when factoring a problem?

Find the distance between (0,5) & (-4,2)

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.