The sixth grade art students are making a mosaic using tiles in the shape of triangles. Each tile Hans leg measures of 7cm and 4cm. If there are 84 tiles in the mosaic, what I sent the area of the mosaic

In djkl, side jk measures 10.6 inches, side kl measures 7 inches, and side jl measures 5 inches. based on the information that is provided, which could be a correct set of angle measures for these sides? angle j = 23.2°, angle k = 33.5°, angle l = 23.2° angle j = 23.2°, angle k = 33.5°, angle l = 123.2° angle j = 123.2°, angle k = 23.2°, angle l = 33.5° angle j = 33.5°, angle k = 23.2°, angle l = 123.2°

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|