Evaluate the expression with the given replacement values.x2 when x = -9
A. -18
B. 18
C. 81
D. -81
Answer: C
Mathematics
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´ 9a2 Ã 2a ³6a2 + 3 - ÄÄÄ ³ = ’ 6a Å a. 12a3 + 6a + 3a2 b. 9a3 + 6a2 + 3a c. 9a3 - 3a2 - 6a d. 9a3 + 6a e. 12a3 - 3a2 + 6a
Mathematics
Reduce to lowest terms.- 
A. 
B. - 
C. - 
D. - 
Mathematics
Use a calculator to approximate the natural logarithm to four decimal places.ln 0.991
A. 0.0090 B. 0.0039 C. -0.0090 D. -0.0039
Mathematics
Solve and graph. Write the solution set in interval notation.9x + 2 < -43 and -1 - 4x > -17
A. (-?, -5) ? (4, ?)
B. (-?, 4)
C. (-5, 4)
D. (-?, -5)
Mathematics