Decide what number must be added to make the expression a perfect square trinomial.x2 + 10x + ___
A. 20
B. 25
C. 13
D. 400
Answer: B
Mathematics
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Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Mathematics
Find the interest earned. Assume 3
% interest compounded daily, as in the following table, and use the exact number of days. Round to the nearest cent. 
Amount: $16,218Deposited: Mar 16Withdrawn: May 21
A. $102.96 B. $16,320.96 C. $161.74 D. $105.30
Mathematics
Provide the requested proof.In the trapezoid below, m(?D) = m(?C). Prove that 
What will be an ideal response?
Mathematics
Evaluate the expression without using a calculator.eln 14x4
A. 4 B. 14x4 C. e14x4 D. ln 14x4
Mathematics