For what natural values of n: is the difference (2-2n)-(5n-27) positive?

Please help, I'll mark you brainliest

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

1/3(x-10)=-4 solve for x with steps

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?