Notebooks cost $1.20 each. This weekend they will be on sale for $0.80. What percentage is the sale? Answer to the nearest whole number. i dont get it!

A rectangle has area of 88 square units and a length of 8. Find its width

A rectangular prism has a length of 412 millimeters, a width of 412 millimeters, and a height of 6 millimeters. Sally has a storage container for the prism that has a volume of 143 cubic millimeters.

A bacteria population increases every hour. At 12 P. M., there are 5 cells. At 1 P. M. there are 10 cells. At 2 P. M. there are 20 cells. At 3 P. M there are 40 cells. If this pattern continues, how many cells will there be at 7 P. M? Explain

One housekeeper can clean a hotel room twice as fast as another one. Working together they can clean a room in 8 minutes. How long does it take for each housekeeper to clean a room?

What is the opposite integer of - (-8) And - (-65)

The sum of two numbers is - 284. One number is 62 less then the other. Find the numbers

Solve equation for solution 4=5x

If (f+g) (x) = 3^2+2x-1 and g (x) = 2x-2 what is f (x)

Tennis racket marked up 59% to $36.75

What is the vertex of the graph of f (x) = |x - 13| + 11? a. (-11, 13) b. (-13, 11) c. (11, 13) d. (13, 11)