Solve the problem.The area of a trapezoid of height h, small base b, and large base B is given by . Find the area of a trapezoid whose height is 8 m, small base is 10 m, and large base is 13 m.

A. 11.5 m2
B. 69 m2
C. 130 m2
D. 92 m2


Answer: D

Mathematics

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Solve. Use ? ? 3.14 and round to the nearest hundredth.Ellie bought a circular etched-glass table top to use as her dining room table. The glass is 6 ft in diameter. Find the cost of the table top at $87 per square yard of glass.

A. $2458.62 B. $4370.88 C. $273.18 D. $1092.72

Mathematics

Provide an appropriate response.Show that the derivative of y = , x ? 0, is y' =  by writing  and then using the chain rule.

What will be an ideal response?

Mathematics

Find the exact value of the sum.sin  + sin 

A.
B. 0
C. -1
D. 1

Mathematics

Use transformations to graph the function. Determine the domain, range, and the equation of the horizontal asymptote of the function.f(x) = 3(-x) + 5

A. domain: (-?, ?); range:(3, ?) 
horizontal asymptote: y = 3

B. domain: (-?, ?); range:(5, ?) 
horizontal asymptote: y = 5

C. domain: (-?, ?); range:(5, ?) 
horizontal asymptote: y = 5

D. domain: (-?, ?); range:(3, ?) 
horizontal asymptote: y = 3

Mathematics