Find the number of subsets of the set.{x | x is a day of the week}
A. 128
B. 127
C. 256
D. 124
Answer: A
Mathematics
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Determine whether the given value is a solution to the equation.x + 12 = -8, x = -12
A. Yes B. No
Mathematics
Graph the inequality.x > 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A lumber yard has fixed costs of $3637.50 a day and variable costs of $1.00 per board-foot produced. The company gets $2.50 per board-foot sold. How many board-feet must be produced daily to break even?
A. 1039 board-feet B. 1616 board-feet C. 3637 board-feet D. 2425 board-feet
Mathematics
Find the vertex.f(x) = 8x2 - 160x + 805
A. (5, 10) B. (5, 0) C. (10, 5) D. (10, 0)
Mathematics