Find the vertical distance traveled by the submarine. Write your answer as a decimal. The vertical distance is feet. Question 2 b. Find the mean hourly vertical distance traveled by the submarine. Write your answer as a decimal. The mean hourly distance is feet per hour.\

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 magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Can someone tell me if this is perpendicular? !