Solve the problem.Let 
be the cost to manufacture x items. Find the average cost per item to produce 30 items.
A. $227
B. $87
C. $1330
D. $244
Answer: B
Mathematics
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Use dimensional analysis to convert the unit of length.288 inches to yards
A. 96 yd B. 864 yd C. 8 yd D. 24 yd
Mathematics
Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 45°, find the exact length of OV. 
A. 
B. 
C. 1
D. 0
Mathematics
Provide an appropriate response.Solve the equation by using quadratic formula: 3x2 + 5x - 7 = 0
What will be an ideal response?
Mathematics
Find the inverse of the function.f(x) = 2x - 10
A. f-1(x) = 
x + 2
B. f-1(x) = 
x - 5
C. f-1(x) = 
x + 5
D. f-1(x) = 2x + 10
Mathematics