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It is 100 If you need more answers go to Mathway.com under prealgebra.
The answers are sqrt(400) = -20 or +20The answers are sqrt(400) = -20 or +20The answers are sqrt(400) = -20 or +20The answers are sqrt(400) = -20 or +20
25% off of 20 = 15= 25% discount applied to 20= 20 - (25% * 20)= 20 - (0.25 * 20)= 20 - 5= 15
s = 20
20 % = 0.20; 0.20(25) = 5