Find the slope-intercept form of the equation of the line with the given properties.Slope = 2; containing the point (-2, -1)

A. y = 2x - 3
B. y = -2x + 3
C. y = 2x + 3
D. y = -2x - 3


Answer: C

Mathematics

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Find the sum of the first n terms of the geometric sequence for the values of a1 and r.n = 4, a1 = 18, r = 2

A. 270 B. 126 C. 252 D. 144

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Using the Superposition Theorem, find IR3 and VR4 .


E1 = 15.0 V
E2 = 35.0 V
R1 = 10 Kê
R2 = 10 Kê
R3 = 25 Kê
R4 = 15 Kê

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Provide an appropriate response.The probability distribution for the random variable X is: What is the expected value of X?

A. 0.62 B. 0.26 C. 0.22 D. 0.50

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Solve the problem.A drug is injected into a patient and the concentration of the drug is monitored. The drug's concentration,  in milligrams after t hours is modeled by  Estimate the drug's concentration after 4 hours. (Round to the nearest hundredth.)

A. 1.71 mg B. 0.35 mg C. 1.58 mg D. 0.48 mg

Mathematics