The domain of the following relation: r: {(-4, 3), (3, , 1), (3, 6)}

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?

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?