Find the conjugate of the number.-14i
A. 14i
B. 14i + 14
C. 14
D.
Answer: A
Mathematics
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Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The test scores of 40 students are summarized in the frequency distribution below. Find the standard deviation.
A. 15.8 B. 13.5 C. 14.3 D. 15
Mathematics
Find the area of the figure. Use 3.14 for ?. Round to hundredths if necessary.Isosceles trapezoid
A. 216 sq. ft B. 108 sq. ft C. 81 sq. ft D. 35 sq. ft
Mathematics
Sketch a graph of f.f(x) = -3x2
A.
B.
C.
D.
Mathematics
Simplify the expression.- x +
+
x - 2
A. x -
B. x -
C. x +
D. - x -
Mathematics