True or false: other things being equal, the confidence interval for the mean will be wider for 95% confidence than for 90% confidence.

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.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10