Solve the problem.If u = 3i - 2j and v = -8i + 7j, find u - v.
A. 9i + 5j
B. 11i - 9j
C. 10i + 5j
D. -5i + 5j
Answer: B
Mathematics
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Multiply using the Russian Peasant method.419 × 137
A. 56,493 B. 57,183 C. 56,683 D. 57,403
Mathematics
Provide an appropriate response.
Find the area of the indicated sector.
A. 27.96 in.2 B. 27.83 in.2 C. 87.84 in.2 D. 4.66 in.2
Mathematics
Provide an appropriate response.Find the polar coordinates of a vector in standard notation that has polar coordinates of (4, 30°). Round to tenths.
A. (3.5, 2) B. (3.5, 30°) C. (0.6, -4.0) D. (0.6, 2)
Mathematics
Solve the problem.Carla's gross pay is $169 a week. $13 was withheld for federal income tax, $13 for FICA tax, and $6 for other deductions. How much of her pay is left?
A. $201 B. $147 C. $137 D. $32
Mathematics