Solve the equation.
x = 
A. 
B. {2}
C. 
D. {-2}
Answer: D
Mathematics
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Solve the problem.How many 3-digit numbers are there in our system of counting numbers?
A. 27 B. 900 C. 899 D. 6
Mathematics
Find the sum.
A. 
B. 
C. 22
D. - 
Mathematics
Factor the special products.z2 + 14z + 49
A. (z - 7)2 B. (z + 14)(z - 14) C. (z + 7)2 D. (z + 7)(z - 7)
Mathematics
Find the area. Use 3.14 for ?.
A. 188.8 cm2 B. 47.2 cm2 C. 94.4 cm2 D. 92.9 cm2
Mathematics