What are the next three terms in the sequence 4, -1, -6, -11, -16, -21, -26 -14, -21, -26 -14, -17, -20 -18, -25, -32

Given the following statements, which is the best

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

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.