Perform the indicated operations.23 - (-12)2
A. 30
B. 152
C. -136
D. -138
Answer: C
Mathematics
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Solve the system of equations.9x2 + 4y2 = 362y + 3x = 6
A. (0, -3), (-2, 0) B. (0, 2), (3, 0) C. (0, 3), (2, 0) D. (0, -2), (0, -3)
Mathematics
Find any missing lengths in the similar figures.
A. x = 22.5 B. x = 24 C. x = 13.5 D. x = 18
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Simplify.-2431/5
A. -3 B. -27 C. 81 D. 243
Mathematics