Solve the system of equations by the substitution method.
A. infinite number of solutions
B. no solution
C. (-1, 15)
D. (15, -1)
Answer: C
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Compute r, the linear coefficient of correlation, for the given data.
A. -0.078 B. -0.054 C. 0.109 D. 0.214
Solve.A Ferris wheel has a radius r of 26.8 feet. The height of the tower t is 36.6 feet. The distance d from the origin to the base is 22.5 feet. Find the standard form equation of the circle represented by the Ferris wheel. 
A. (x + 22.5)2 + (y + 36.6)2 = 718.24 B. (x - 22.5)2 + (y - 36.6)2 = 26.8 C. (x + 22.5)2 + (y + 36.6)2 = 26.8 D. (x - 22.5)2 + (y - 36.6)2 = 718.24
Provide an appropriate response.Find the radian measure of ? to the nearest ten-thousandth if tan ? = 0.6254.
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.Suppose the cumulative distribution function for the random variable X is given byF(x) = 
Find P(2 < X < 3).
Fill in the blank(s) with the appropriate word(s).