Let  and let S be the graph of ,  oriented counterclockwise. Use Stokes's Theorem to evaluate

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?



A. 0
B. ?
C. ?
D. 64
E. ?128

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Answer: B

Mathematics

Provide an appropriate response.Give the x-intercept of the equation: 3x - 2y = 6

A. (0, 2) B. (0, -3) C. (2, 0) D. (2, -3)

Provide an appropriate response.Would the graph of the inequality 36y2 - 9x2 > 324 be drawn solid or dashed?

A. Solid B. Dashed

The following graph shows the volume of wood produced in a single-species forest. Here f (t) is measured in cubic meters/hectare and t is measured in years. By computing the slopes of the respective tangent lines, estimate the rate at which the wood grown is changing at the beginning of year 10 and at the beginning of year 40. ? ?

A.  cubic meters/hectare per year in the year 10,

cubic meters/hectare per year in the year 40

 cubic meters/hectare per year in the year 10,

 cubic meters/hectare per year in the year 40

 cubic meters/hectare per year in the year 10,

 cubic meters/hectare per year in the year 40

 cubic meters/hectare per year in the year 10,

cubic meters/hectare per year in the year 40

Solve the problem.If x is the hydrogen ion concentration of a sample of water, then the pH of that water sample is  If the pH of the water from one lake is 6.4 and the pH of the water from a second lake is 7.3, how many times greater is the hydrogen ion concentration of the second lake than the hydrogen ion concentration of the first lake? Round your answer to the nearest hundredth.

A. 13.82 B. 0.13 C. 7.94 D. 7.53