Multiply.8ax5(-10ax6 + 7x5 + 6a)

A. -80a2x11 + 7x5 + 6a
B. -80a2x11 + 56ax10 + 48a2x5
C. -80a2x11 + 56ax10
D. -80ax6 + 56x5 + 48a


Answer: B

Mathematics

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Find the reference angle for the given angle.-402°

A. 132° B. 42° C. 138° D. 48°

Mathematics

Find the magnitude of the horizontal and the vertical components for the vector with the given magnitude and direction angle ?. Round to the nearest tenth.?v? = 173.4, ? = 101°

A.  = -33.1 = 170.2
B.  = 170.2,  = -33.1
C.  = 170.2,  = 33.1
D.  = 33.1,  = 170.2

Mathematics

Solve for the indicated variable.S = 2?rh + 2?r2  for h

A. h = 
B. h = S - r
C. h = 2?(S - r)
D. h =  - 1

Mathematics

Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 2.25 in.

A. 7.1 in.; 28.3 in.2 B. 14.1 in.; 15.9 in.2  C. 14.1 in.; 14.1 in.2  D. 7.1 in.; 63.6 in.2 

Mathematics