Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.4.30 kg = ____ lb
A. 121.9 lb
B. 1.9 lb
C. 8.6 lb
D. 9.5 lb
Answer: D
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Find v ? u.v = 4i - 4j and u = -8
i + 5j
A. -20
i - 32j
B. -20 - 32
C. (4 - 8
)i + 1j
D. -20
+ 32
Solve the problem.Suppose 
is a mathematical model for actual time as a function of estimated time, where f(x) represents actual time (in minutes), x represents estimated time (in minutes), and m and b are constants. If 
and b = -3, find f(x) when x is 60 minutes.
A. 67.8 min B. 153 min C. 159 min D. 52.2 min
Use synthetic division to perform the division.
A. 2x2 - 5x - 12 + 
B. 2x2 - 5x + 12
C. 2x2 - 5x - 12
D. 2x2 - 5x + 12 + 
Find the intercepts and then graph the line.3x + 2y = 12
A. x-intercept: (6, 0); y-intercept: (0, 4)
B. x-intercept: (4, 0); y-intercept: (0, - 6)
C. x-intercept: (4, 0); y-intercept: (0, 6)
D. x-intercept: (6, 0); y-intercept: (0, - 4)