Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
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Write the expression in the standard form a + bi.(8 + 9i)2
A. 64 + 144i + 81i2 B. 145 + 144i C. -17 D. -17 + 144i
What is the least squares error E for the points (1, -3), (-2, 5), and (0, 10) and the line 
A. E = (A - 3B + 3)2 + (-2A + 5B - 5)2 + (10B - 10)2 B. E = (A + B - 3)2 + (-2A + B - 5)2 + (B - 10)2 C. E = (A + B + 3)2 + (-2A + B - 5)2 + (B - 10)2 D. E = (A - 3B)2 + (-2A + 5B)2 + (10B)2
Find the volume of a box that is 3.4 in x 5.3 in x 3 in
a. 34068 in3 b. 47.7 in3 c. 95.506 in3 d. 54.06 in3
Solve the problem.The formula for converting Fahrenheit temperature to Celsius is 
. If a bottle of prescription medicine is to be kept below 25° Celsius, how would you describe this warning using Fahrenheit temperature?
A. It must be kept below 46° Fahrenheit. B. It must be kept below 103° Fahrenheit. C. It must be kept below 77° Fahrenheit. D. It must be kept below -18° Fahrenheit.