Clara and her family are vacationing in the Netherlands. They began a tour of the North Sea coastline at an elevation of –
8 feet. By the end of the tour, their elevation had decreased by 5 feet. What was their elevation at the end of the tour?

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]