Decide what number must be added to the binomial to make a perfect square trinomial.x2 - 
x
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Use the Pythagorean theorem to find the missing side of the right triangle with legs a and b, and hypotenuse c. Approximate values to the nearest tenth when appropriate.a = 11 in., b = 16 in.
A. 19.4 in. B. 377 in. C. 13.5 in. D. 188.5 in.
Mathematics
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
A. 
B. 
C. 6n7
D. 
Mathematics
Simplify the expression.(-7x6y4z)2
A. 49x12y8z2 B. -49x12y8z2 C. 14x12y8z2 D. -7x8y6z
Mathematics
Solve the problem.Find the area A of a triangle with height 2 cm and base 5 cm.
A. A = 10 cm2 B. A = 5 cm2 C. A = 5 cm D. A = 10 cm
Mathematics