Decide what number must be added to the binomial to make a perfect square trinomial.x2 + 14x
A. 25
B. 98
C. 7
D. 49
Answer: D
Mathematics
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Solve the problem.A bridge with a semi-elliptical arch extends over a river as shown. Find an equation of the ellipse that represents the arch of the bridge.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 16.91 B. 6.16 C. 12.31 D. 24.63
Mathematics
Provide an appropriate response.Is 
a rational or irrational number?
A. Rational B. Irrational C. Both rational and irrational D. Neither
Mathematics
Solve.44 = 8x - 4
A. x = 6 B. x = 44 C. x = 9 D. x = 40
Mathematics