The temperature of a city changed by −20 degrees celsius over a 4-week period. the temperature changed by the same amount each week. part a: write an expression to show the average change in the temperature of the city each week. part b: simplify the expression and explain, using words, what your answer means.

41/17 as a decimal rounded to the nearest hundredth

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?

Find the value of x. give reasons to justify your solutions! h ∈ ig