Multiply the conjugates. Assume all variables have nonnegative values.(9
- 6
)(9
+ 6
)
A. 639 + 108
B. 51
C. 639
D. 495
Answer: D
Mathematics
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Refer to the following normal curve, with mean ? and standard deviation ?.
The standard deviation ? =
A. 6 B. 24 C. 12 D. 48 E. none of these
Mathematics
Solve the problem.A bakery sold 92 pies for $2.15 each. What was the total amount of the sale?
A. $197.80 B. $197.90 C. $198.90 D. $197.81
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Given that the polynomial function has the given zero, find the other zeros.f(x) = x3 - 2x2 - 11x + 52; -4
A. 1 + 2i, 1 - 2i
B. 3 + 4i, 3 - 4i
C. 1 + 2
i, 1 - 2
i
D. 3 + 2i, 3 - 2i
Mathematics
Write an expression or equation representing the following and simplify if possible.The square of the sum of x and 7.
A. (x + 7)2 = x2 + 49 B. (x + 7)2 = x2 + 14x + 49 C. x + 7 D. x2 + 7
Mathematics