What is the value of the digits 4 in the number 524,892,123

Geometry paper. i don't know how to do the rest. questions 5. 8. 9. and 10.

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)

The difference between tax advoidance and tax evasion