Find the height of a cylindrical water vessel of diameter 1.4m if it holds 770 litre of water

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?