Find the sum.Find the sum of the first 40 terms of the arithmetic sequence: 16, 11, 6, 1, . . .
A. -3360
B. -3252
C. -3260
D. -184
Answer: C
Mathematics
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Find the probability to the nearest hundredth that the random variable of the probability density function has a value greater than the mean.f(x) = 
- 
; [2, 6]
A. 0.54 B. 0.46 C. 0.50 D. 0.55
Mathematics
Multiply.(-10)(-5)(-7)
A. 350 B. -350 C. -250 D. -360
Mathematics
Write the logarithmic equation in exponential form.y = log (2x)
A. 2x y = 10 B. 102x = y C. 10 y = 2x D. y10 = 2x
Mathematics
Find all solutions of the equation in the complex number system.(x + 9)2 = -3
A. {-9 + i
, -9 - i
}
B. {-6, 12}
C. {-9 - 
}
D. {-9 + 
, -9 - 
}
Mathematics