Is the blue digit in 321,568,794 ten times the value of the red digit in 469,751,803 explain?

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.

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30