Answer:
x = 15
Step-by-step explanation:
20^2 + x^2 = 25^2
400 + x^2 = 625
subtract each side 400
it results to 225
square root 225, to equals this -->
X = 15
2x times 3x is 6x to the second
2x times -2 is -4x
5 times 3x is 15x
-2 times 5 is -10
6x to the second plus 9x minus 10
The correct choice is
D Yes; only one range value exists for each domain value.
