Solve the equation.(x + 9)(x + 8) = 0
A. 9, 8
B. 9, -8
C. 9, -9, 8, -8
D. -9, -8
Answer: D
Mathematics
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Find the exact area of the surface obtained by rotating the given curve about the x-axis.
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Solve the problem.Suppose pumpkin pickers are paid as follows:1-200 pumpkins picked$0.13 each201-350 pumpkins picked$0.17 each350 or more pumpkins picked$0.20 eachIf Nicole picks 234 pumpkins, what are her gross earnings?
A. $31.78 B. $39.78 C. $30.42 D. $32.80
Mathematics
Use Cramer's rule to solve the linear system.5x + 9y - z = 23 x + 6y - 4z = -144x + y + z = 23
A. (1, 6, 1) B. (5, -1, 6) C. (4, 1, 6) D. (4, -1, -6)
Mathematics
Solve the equation.
log2(x + 6) = log8(3x)
A. {9} B. {3, 0} C. {3} D. ?
Mathematics