The figure below shows a round plate that is white with a 2-inch gray border around it. What is the area of just the gray border?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%