Classify each polygon by the number of sides. tell whether it's convex or concave.

  a. hexagon, convex

  b. pentagon, concave

  c. heptagon, convex

  d. decagon, concave

Step-by-step explanation:

Count the sides. Refer to your memory or a list of polygon names for the appropriate name.

If any internal angle measures more than 180°, the polygon is concave. Otherwise, it is convex.

-6w^2-5w+50

Step-by-step explanation:

1)multiply 3W into-2W and 5

2)multiply 10 into -2W and 5

3) combine like terms then sort answer in order