Company A charges $17.00, plus $11.00 per day to rent a piece of equipment
company B charges $33.00, plus $9.00 per day to rent a piece of equipment
how many must the piece of equipment be rented for the cost to be the same at both company's ?

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?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

The measure of an angle is 117°. what is the measure of a supplementary angle?