Round 259027.321385 to 1 decimal place

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

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?