Simplify this expression
21z-6z+13
15z+

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points