Find the quantity if v = 5i - 7j and w = 3i + 2j.
- 
A. 
B. 2
- 
C. 
- 
D. 
Answer: C
Mathematics
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Determine whether the data represent direct variation, inverse variation, or neither.
A. Neither B. Inverse C. Direct
Mathematics
Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.
-1
A. - 
B. 
C. 6
D. -6
Mathematics
Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(4, -4)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An architect needs to design a rectangular room with an area of 89 ft2. What dimensions should he use in order to minimize the perimeter?
A. 9.43 ft × 22.25 ft B. 22.25 ft × 22.25 ft C. 9.43 ft × 9.43 ft D. 17.8 ft × 89 ft
Mathematics