Subtract.
? 
(86°34') - (25°64')
? 
_____°_____'

What will be an ideal response?

60; 30

Mathematics

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Solve.Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 7 hours. How long will it take them to do the job if they work together?

A.  hr
B.  hr
C.  hr
D. 7 hr

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Evaluate the expression.(-3)(9)(-5)

A. -17 B. 135 C. -135 D. 17

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Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 3i + 2j,  w = 2i - 3j

A. orthogonal B. parallel C. neither

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Use reference angles to find the exact value of the expression.tan 

A. 1
B.
C. -1
D.

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Mathematics