Roscoe has built a new workshop and is measuring for the baseboard. There is a door which is three feet wide on one wall which will across which he will not run baseboard.

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.