A group of 4 senior analysts and 2 junior analysts earns $32,400 every month. Another group of 3 senior analysts and 5 junior analysts earns $39,000 every month. Find the
monthly salary of each senior analyst and junior analyst.
Senior Analyst:
Junior Analyst:​

What is the approximate circumference of the circle shown below?

The trigonometric ratios sine and secant are reciprocals of each other

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?