Rewrite the sum using sigma notation.12 + 18 + 24 + 30 + 36

A.
B.
C.
D.


Answer: B

Mathematics

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Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.a = 16.0 ft, b = 42.0 ft

A. 873.0 ft2 B. Not enough data C. 571.5 ft2 D. 772.5 ft2

Mathematics

Simplify.-(-(-17))

A. -17 B. 18 C. 17 D. -18

Mathematics

Find the area.

A. 68 cm2 B. 225 cm2 C. 51 cm2 D. 100 cm2

Mathematics

Find the derivative of the function.y = x3 tan x

A.  = - x3 sec2 x + 3xtan x
B.  = x3 sec2x + 3xtan x
C.   = 3x2 sec2 x
D.   = x3 sec x tan x + 3xtan x

Mathematics