Which expression is represented by the model below? a. -7 + (-5) b. -7 + (-2) c. -7 + 0 d. -7 + 5

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?