If 2y=34x find x when y is equal to √2​

Volume of a cylinder with a radius of 13 in and height of 30 in

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.

I’m really confused and need your assist me with this question i’ve never been taught