Which expression represents a difference of squares?
A. 81 − 49y^2
B. 4x^2 − 1...
Mathematics, 25.04.2020 20:50 smilxess
Which expression represents a difference of squares?
A. 81 − 49y^2
B. 4x^2 − 16x
C. t^2 + 100
D. 25k − 64
Answers: 1
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The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
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