24
Marla buys some bags of buttons,
There are 19 buttons or 20 buttons or 21 buttons or 22 buttons in each bag
The table gives some information about the number of buttons in each bag
Number of buttons
Frequency
3
The total number of buttons is 320.
Complete the table

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

How to do this , and can some one explain

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36