Mrs. regan went shopping and purchased 37 trees for the yard. mr. regan also went shopping and bought some trees. if they had a total of 82 trees, how many did mr. regan buy?

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?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.