Explain how you can determine that the following system has one unique solution – without actually solving the system.

What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x