Evaluate the expression.11 + 23 + (-12)
A. 0
B. 46
C. -24
D. 22
Answer: D
Mathematics
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A. 19 B. 13 C. 15 D. 16
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Perform the indicated operation. Write the result in the form a + bi.(5 - 7i)(8 - 5i)
A. 31 + 75i B. 75 - 31i C. 5 - 81i D. 5 + 81i
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Solve the problem.The sum of the squares of the digits of a positive two-digit number is 13, and the units digit is 1 more than the tens digit. Find the number.
A. 23 B. 34 C. 43 D. 32
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Solve the equation.-9 = y - 11
A. 20 B. -2 C. 2 D. -20
Mathematics