Solve the linear inequality. Express the solution in set-builder notation.2x + 6 < 14
A. {x|x > 4}
B. {x|x ? 4}
C. {x|x ? 4}
D. {x|x < 4}
Answer: D
Mathematics
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Translate the statement into an equation. Let the unknown number be represented by x. Then solve the equation for the unknown number.The quotient of some number and 25 is 40.
A. 25x = 40; x = 
B. x + 25 = 40; x = 15
C. 
= 40; x = 1000
D. 
= 25; x = 1000
Mathematics
Multiply.-5x(-11x - 9)
A. 100x2 B. 55x2 - 9x C. -11x2 + 45x D. 55x2 + 45x
Mathematics
Rewrite the expression in terms of exponentials and simplify the results.sinh (7 ln x)
A. 2x
B. 
C. 
D. 
Mathematics
Solve the problem.A solar reflector is made using 29 identical triangular-shaped mirrors, each having sides 
. What is the total surface area of the reflector (to the nearest square meter)?
A. 27 m2 B. 30 m2 C. 25 m2 D. 31 m2
Mathematics