Tom's age is 5 more than twice d's age. which expression represents this? 10x 5x + 2 5 + 2x

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?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

What term makes it inconsistent y=2x - 4