Find the missing angle in the triangle. Question 1 options:

A. 90°

B. 25°

C. 108°

D. 130°

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte