Write an equation of the line passing through the given points.(3, 19) and (9, 55)
A. y = x +
B. y = - x +
C. y = 6x + 1
D. y = -6x + 37
Answer: C
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Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. =
B. =
C. =
D. =
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 776. Find a linear equation which fits this data, and use this equation to predict an average score for persons taking a 60-hour review course. Round your answer to the tenths place.
A. 741.2 B. 737.0 C. 751.0 D. 729.7
Determine if the set is the empty set.{x|x < 10 and x > 14}
A. Yes, it is the empty set. B. No, it is not the empty set.
Write the equation in the form y = f(x) by solving for y.11y - 5x3 = 20
A. y =
B. y =
C. y = 4 + x3
D. y =