Solve the problem.Suppose that the cost of an item, excluding tax, is $2.25. The algebraic expression 2.25x describes the cost, in dollars, of purchasing x units of that item. Evaluate the algebraic expression when x = 50.
A. $562.50
B. $11.25
C. $1125.00
D. $112.50
Answer: D
Mathematics
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Provide an appropriate response.Perform the indicated operation, leaving the answer in lowest terms: 
+ 
+ 4 =
A. 
B. 
C. 
D. 
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Prove the identity.
?
What will be an ideal response?
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Solve the problem.The perimeter of a triangle is 65 centimeters. Find the lengths of its sides, if the longest side is 7 centimeters longer than the shorter side, and the remaining side is 4 centimeters longer than the shorter side.
A. 27 cm, 31 cm, 38 cm B. 18 cm, 22 cm, 25 cm C. 27 cm, 31 cm, 34 cm D. 18 cm, 22 cm, 29 cm
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Find all solutions of the equation in the interval [0, 2?).3 cot
- 
= 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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