Solve the system of equations using the addition method. x + 5y = 25-6x + 5y = 60
A. (-6, -5)
B. (-4, 5)
C. (-5, 6)
D. no solution
Answer: C
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Eliminate the parameter of the pair of parametric equations.x = t - 3, y = t2 + 5
A. y = x2 - 14 B. y = x2 + 6x + 14 C. y = x2 - 6x - 14 D. y = x2 + 14
Write as a sum or difference of logarithms. Your results should not contain any exponents or radicals.log 10 xy
A. log 5 x + log 5 y B. log 10 x - log 10 y C. log 5 x - log 5 y D. log 10 x + log 10 y
Refer to a normal distribution described by the following figure. The mean is ? and the standard deviation is ?.
A data value of 40.5 corresponds to a standardized value of
A. -1.5. B. -1. C. 12. D. 0. E. none of these
Solve.The data in the table show the number of burglaries reported in a small town for several years on record.
Determine the linear, quadratic, cubic, or quartic function that best fits the data.
A. f(x) = -0.00004x4 + 0.0006x3 + 0.07x2 - 0.76x + 4.05
B. f(x) = 0.28x + 1.7
C. 
D. 