Solve. Round to the nearest thousandth, if necessary.103x + 18 = 80,648
A. {-4.364}
B. {-39.28}
C. {68.72}
D. {7.636}
Answer: A
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Solve the problem.Find the image of triangle ABC for the size transformation with center O and scale factor 3/4.
A. 
B. 
C. 
D. 
Perform the indicated operation and express the answer in decimal notation.
A. -1800 B. 0.09 C. -5,460,000 D. 900
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.10x = 0.81
A. x = log - 
B. x = log 0.81
C. x = log -0.81
D. x = log 
Express the indicated roots of unity in standard form a + bi.Fourth roots of unity
A. 1 + 0i
cos 
+ i sin 
= 
+ 
i
cos 
+ i sin 
= 0 + i
cos 
+ i sin 
= - 
+ 
i
B. 1 + 0i
cos 
+ i sin 
= 0 + i
cos ? + i sin ? = -1 + 0i
cos 
+ i sin 
= 0 - i
C. 1 + 0i
cos 
+ i sin 
= 
+ 
i
1 - i
0 - i
D. 1 + 0i
cos 
+ i sin 
= 0 + i
cos ? + i sin ? = -1 + 0i
1 - i