Shane took a test that had a total of 21 items. he got about 3/4 of the test items correct. about how many items did he get correct?

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

The graph shows the amount of total rainfall at each hour what was the total rainfall amount after three hours