A) -3 · x = -21

b) -7x + 16 = 2x - 20
help pls

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

15. if the 8% tax on an item amounts to $0.96, what is the final price (tax included) of the item?

Arectangle is 81/2 feet long and 31/2 feet wide. what is the area of the rectangle in square feet?