Perform the operations indicated.-7 - (-15)

A. 22
B. 8
C. -8
D. -22


Answer: B

Mathematics

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Let M denote the midpoint of the line segment joining (4, 3) and (11, 6).  Find the distance from M to the point (-6, -5).  Round the answer to the nearest tenth. ?

A. 16.7 B. 16.1 C. 16.5 D. 15.9 E. 16.2

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Solve the problem.If ?1 and ?2 are supplementary angles and ?1 is 5 times as large as ?2, then what are the measures of the two angles?

A. ?1 = 75°, ?2 = 15° B. Not enough information to solve C. ?1 = 150°, ?2 = 30° D. ?1 = 144°, ?2 = 36°

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Verify the identity.cot(? - ?) = - cot ?

What will be an ideal response?

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Use identities to find the exact value of the function for the given value.sin ? =  and ? is in quadrant II; Find tan ?.

A. - 
B.
C. - 
D. - 

Mathematics