Simplify 4x(2x - y) - 2x + 1 and find it's value for x = -1 and y = 2

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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.

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships