Convert the units using two or three unit fractions.221,760 in. = 
mi
A. 3,991,680
B. 3
C. 42
D. 332,640
Answer: B
Mathematics
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Find a linear model for the following data table. Round your answer to two decimal places, if necessary. x 4 6 8 10 y 6 11 16 21?
A. 
B. ?
C. ?
D. ?
Mathematics
Find 
. Express the answer in standard form.z1 = 20(cos 240° + i sin 240°)z2 = 4(cos 30° + i sin 30°)
A. - 
+ - 
i
B. - 
- 
i
C. - 
- 
i
D. - 
- 
i
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2(4x)
A. 2x B. 4 + log2x C. 2 + log2x D. 2log2x
Mathematics
Find the midpoint of the segment having the given endpoints.(-0.5, 0.3) and (1.7, -2.4)
A. (0.6, -1.05) B. (1.1, -1.35) C. (-1.35, 1.1) D. (-1.05, 0.6)
Mathematics