Find the indicated quantity.a8, when a1 = -8 and d = -3

A. 16
B. 13
C. -32
D. -29

Answer: D

Mathematics

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Find the slope of the polar curve at the indicated point.r = 7 sin 4?, ? = 0

A. -1
B.
C. 1 + 
D. 0

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Find the sum.+43 + (+40)

A. -84 B. 3 C. 83 D. -83

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Provide an appropriate response.Sketch a graph of f(x) = 

What will be an ideal response?

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Find an equation of variation for the given situation.y varies directly as x and inversely as z, and y = 5.4 when x = 2 and z = 1.9.

A. y = 
B. y = 9.26xz
C. y = 
D. y = 

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Mathematics