Convert 4.0 kilometers to meters

Write an explicit formula that represents the sequence defined by the following recursive formula:

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

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?