-4.368 - 3.86 And also 16.37 + (-29.786)

What is the difference between regular convex and concave polygons

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

Bring the fraction a/a-4 to a denominator of 16-a^2