On a adventure trail, you biked 12 mi, walked 4 mi, ran 6 mi, and swam 2 mi. what fraction of the total distance did you bike? write this number as a decimal.

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.

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

3.4a=57.8 what is the the value of a