Solve the linear equation. +  = 

A. {-8}
B. {-4}
C. {1}
D. {-13}


Answer: A

Mathematics

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Solve the problem. Round your answer to 2 decimal places when necessary.In a recent year, there were 649 deaths in general aviation over 8.8 billion miles flown. Find the fatality rate in units of deaths per 1 billion miles flown.

A. 0.01 deaths per billion miles flown B. 73.75 deaths per billion miles flown C. 571.12 deaths per billion miles flown D. 7.38 deaths per billion miles flown

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Find the triple scalar product (u x v) ? w of the given vectors.u = -5i - 3j + 4k; v = 4i - 8j + 8k; w = 6i - 10j - 7k

A. -1092 B. 28 C. -420 D. -876

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Use a calculator to approximate the area of the surface generated when the given curve is revolved about the x-axis. Round to two decimal places when necessary.y = x9  on [0, 1]

A. 0.09 B. 1.31 C. 0.34 D. 3.24

Mathematics

Evaluate the definite integral.(Give an approximate answer rounded to two decimal places if necessary.)

A. 0.71 B. 0.75 C. 1 D. 0.73

Mathematics