A standard die is rolled 600 times. How many times would you expect to roll a number
less than 4?

Please explain how to do it!

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

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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