Solve the equation.9x + 4x = 78
A. -6
B. - 
C. 
D. 6
Answer: D
Mathematics
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Evaluate the expression.
A. 20 B. 40 C. 10 D. 120
Mathematics
Solve the equation.log3 x + log3(x - 24) = 4
A. {27} B. No real solutions C. {-3, 27} D. {53}
Mathematics
Write the expression in the standard form a + bi.4i(7 - 2i)
A. 28i - 8i2 B. 28i + 8i2 C. 28i- 8 D. 8+ 28i
Mathematics
Round the number to the place indicated.Round to the nearest ten-thousandth: 12.41078
A. 12.4107 B. 12.41 C. 12.411 D. 12.4108
Mathematics