Find an equation of variation for the given situation.y varies directly as x and inversely as z, and y = 5.2 when x = 2 and z = 1.8.
A. y = 
B. y = 
C. y = 8.36xz
D. y = 
Answer: A
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Provide an appropriate response.Subtract the fractions and reduce: 
- 
A. 
B. 
C. 
D. 
Find a) the mean, 
, of the data, b) the deviation from the mean for each data item, and c) the sum of the deviations.8.4, 6.9, 5.3, 7.2
A. a) mean: 6.95, b) deviations: 1.45, -0.05, -1.65, 0.25, c) sum: 0 B. a) mean: 6.95, b) deviations: 1.25, -0.15, -1.65, 0.25, c) sum: -0.3 C. a) mean: 7.15, b) deviations: 1.45, -0.25, -1.35, 0.05, c) sum: -0.1 D. a) mean: 7.15, b) deviations: 1.25, -0.25, -1.85, 0.05, c) sum: 0
Determine whether or not the function is one-to-one.f(x) = 
A. No B. Yes
Find an equation for the circle.Center (24, 5), containing the origin
A. (x - 24)2 + (y - 5)2 = 601 B. (x - 24)2 + (y - 5)2 = 25 C. (x - 5)2 + (y - 24)2 = 25 D. (x - 5)2 + (y - 24)2 = 601