Find all the real square roots of 0.0004.

a. 0.00632 and -0.00632

b. 0.06325 and -0.06325

c. 0.0002 and -0.0002

d. 0.02 and -0.02

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How many solutions does the nonlinear system of equations graphed below have?

Someone answer asap for ! 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