Solve the problem. Round to two decimal places unless otherwise indicated.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what do 400 units cost?
A. $1090.91
B. $12000.00
C. $1199.90
D. $120.00
Answer: A
Mathematics
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Simplify the expression. Assume that all variables are positive.y1/3(y4/9 - 5y2/9)
A. y-1/9 - 5y1/9 B. y3/4 - 5y3/2 C. y4/27 - 5y2/27 D. y7/9 - 5y5/9
Mathematics
Translate to a proportion and solve. Round to the nearest hundredth, if necessary.What number is 20% of 17?
A. 34 B. 0.34 C. 340 D. 3.4
Mathematics
Find the product.4x2(-2x7 + 9x5 + 9)
A. -8x9 + 36x7 + 36x2 B. -8x7 + 36x5 + 36 C. -8x9 + 9x5 + 9 D. -8x9 + 36x7
Mathematics
Solve the system of linear equations. If the system has infinitely many solutions, describe the solution with an ordered triple in terms of variable z.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2
A. 
B. 
C. 
D. 
Mathematics