Add or subtract as indicated and write the result in standard form.6i - (-4 - i)
A. 4 - 5i
B. -4 - 7i
C. 4 + 7i
D. -4 + 5i
Answer: C
Mathematics
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Write the numeral as a traditional Chinese numeral.367
A. 
B. 
C. 
D. 
Mathematics
Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 
B. 8.50 × 10-6
C. 5.95 × 10-5
D. 4.16 × 10-4
Mathematics
Find the specified vector or scalar.u = -11i - 2j, v = 4i + 7j; Find u - v.
A. -16i + 5j B. -15i - 9j C. -7i + 5j D. -17i + 5j
Mathematics
Find percent notation.
Round to the nearest tenth, if necessary.
A. 230% B. 43.5% C. 4.3% D. 18.9%
Mathematics