Factor the trinomial that is a perfect square. If it is not a perfect square, respond "not a perfect square."4x2 + 28x + 49
A. (2x - 7)2
B. not a perfect square
C. (2x + 7)2
D. (2x + 7)(2x - 7)
Answer: C
Mathematics
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Simplify the algebraic expression.5 - 2[1 - (7x - 5)]
A. 14x - 7 B. -7x - 7 C. -7x + 13 D. 14x + 13
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Solve.The sides of a parallelogram are 13 ft and 15 ft. One angle is 43° while another angle is 137°. Find the lengths of the diagonals of the parallelogram (to the nearest tenth of a foot).
A. 10.4 ft and 26.1 ft B. 15.9 ft and 23.2 ft C. 17.7 ft and 10.4 ft D. 108.8 ft and 679.2 ft
Mathematics
Convert between English and Metric System of Units.
6 lb = 
oz
A. 
B. 96
C. 84
D. 60
Mathematics
Solve the equation.4-x = 
A. 
B. {2}
C. {-2}
D. 
Mathematics