Can any other triangles besides isoceles be made with only one 80 degree angle

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Which of the following expressions is equal to 2x^2+8

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