Perform the indicated operation.40 lb 15 oz - 6 lb 3 oz

A. 34 lb 12 oz
B. 47 lb 2 oz
C. 46 lb 2 oz
D. 33 lb 12 oz


Answer: A

Mathematics

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The first derivative f ' is given. Find all values of x that make the function a local minimum and a local maximum.f'(x) = (x + 8)(x + 3)

A. Local minimum at x = 3; local maximum at x = 8 B. Local minimum at x = -3; local maximum at x = -8 C. Local minimum at x = -3 and 0; local maximum at x = -8 D. No local extrema

Mathematics

Complete the identity. = ?

A.
B.
C.
D.

Mathematics

Find the area of the shaded regions. Use ? ? 3.14 and round to the nearest tenth.

A. 3629.8 km2 B. 248.5 km2 C. 2063.5 km2 D. 907.5 km2

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Find the indicated sum. Find the sum of the first 8 terms in the geometric series 3 - 6 + 12 - . . .

A. -255 B. 765 C. -765 D. -257

Mathematics