A polygon is a regular if each of its sides has the same length. Find the perimeter of the regular polygon. 1.
5-2x -4x+9
2.
4/3x-1/3 x+7

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)

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Which expression is rational? 6. , square root two, square root 14, square root 49