Factor completely. If unfactorable, indicate that the polynomial is prime.r2 - 10r + 25
A. (r - 10)(r + 10)
B. (r - 5)2
C. (r + 5)(r - 5)
D. (r + 5)2
Answer: B
Mathematics
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Solve the problem.Find the point on the line 
that is closest to the point 
A. 
B. 
C. 
D. 
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Provide an appropriate response.Solve using a system of equations with two unknowns:The length of a rectangle is 2 feet 6 inches longer than its width. Its perimeter is 35 feet. Find its length in feet.
A. 10 feet B. 7.45 feet C. 15.75 feet D. 10.63 feet
Mathematics
Verify the identity.csc 
= sec ?
What will be an ideal response?
Mathematics
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by y = 
. What is the cost per ton for x = 200?
A. $100,000.00 B. $487.50 C. $61,904.76 D. $309.52
Mathematics