Factor the perfect square trinomial.x2 + 4x + 4
A. (x + 2)(x - 2)
B. (x + 2)2
C. (x - 2)2
D. prime
Answer: B
Mathematics
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Evaluate the integral by using a substitution prior to integration by parts.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Solve the problem.To obtain a certain shade of paint, Peter mixed 
of white paint with 
of brown and 
of blue paint. How much paint did he have?
A. 
gal
B. 11
gal
C. 3
gal
D. 
gal
Mathematics
Express as a power of 10.100
A. 103 B. 101 C. 104 D. 102
Mathematics
Write the expression in the standard form a + bi.Given z = 9 - 3i, evaluate z + 
.
A. -6i B. 18 + 6i C. 18 D. 18 - 6i
Mathematics