Find the appropriate property for the statement.-9 + 0 = -9
A. Associative property
B. Identity property
C. Commutative property
D. Inverse property
Answer: B
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Evaluate the given expression.cos-1 
A. 
B. 
C. 
D. 
Answer the question(s) based on the following situation: Over the last 80 years records have been kept of the annual rainfall in the Tasmanian desert. The distribution of annual rainfall is approximately normal and has no outliers. The minimum of 4.5 inches of rain occurred in 1952; the maximum of 11.7 inches of rain occurred in 1934.Two years ago, the annual rainfall was 7.5 inches. The standardized value corresponding to this rainfall is approximately
A. 1. B. 2.5. C. -0.5. D. 0. E. none of these
Solve the equation by factoring.x2 - 5x = 0
A. {0, -5} B. {-5} C. {5} D. {0, 5}
Perform the indicated operation. Assume that all variables are nonnegative.(-
)2
A. -33x B. 33x2 C. 33x D. -33x2