Solve the system of equations by the substitution method.
A. (-3, -2)
B. (-5, 1)
C. (1, 5)
D. (0, 6)
Answer: B
Mathematics
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Find, if possible, the number of elements in sets A, B, and C using the given information.(A ? B) = ?n(A ? C) = 8n(C - B) = 14n(B - C) = 6n(A - C) = 5n(B ? C) = 25
A. n(A) = 13, n(B) = 11, n(C) = 24 B. n(A) = 13, n(B) = 11, n(C) = 19 C. n(A) = 5, n(B) = 19, n(C) = 27 D. The information is inconsistent or incomplete.
Mathematics
Use the laws of exponents to simplify. Do not use negative exponents in your answer.(3-3)-2
A. 36
B. 
C. 35
D. 
Mathematics
Find all real numbers that satisfy the equation.tan (x) + 
= 0
A. 
B. 
C. 
D. 
Mathematics
Write the number in scientific notation.0.0000000234012
A. 2.34012 × 108 B. 2.34012 × 10-7 C. 2.34012 × 10-9 D. 2.34012 × 10-8
Mathematics