Find the lcm of the numbers, 2,4, and 11

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

25 ! i need asap! ! ill mark brainliest!

What is the measure of angle x? a.101 b.158 c.44 d.79