Find the value of the expression. ? 

A.
B.  
C.  
D.  


Answer: C

Mathematics

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Solve the problem.Evaluate the integral  given that x = t +  and y = t - 

A. 25 B. 33 C. 111 D. 103

Mathematics

Find the differential of the function.y = 6 tan3x

A. 18 tan2x dx B. 18 tan3x sec x dx C. 18 tan2x sec 2x dx D. 18 tan4x dx

Mathematics

Solve the problem.A real estate agent's commission rate is 15%. He receives a commission of $32,205 on the sale of a home. How much did the home sell for?

A. $37,036 B. $182,495 C. $246,905 D. $214,700

Mathematics

The following list gives 50 pieces of ranked data (ranked from smallest to largest). Find the 7th percentile. 

Ranked data 12         48         82         123        14819         53         85         123        14822         55         89         126        15324         56         98         130        15431         58        102        130        15933         66        103        131        16136         66        105        136        16638         74        109        140        16644         78        116        143        17247         78        121        146        175   A. 12 B. 38 C. 19 D. 24 E. 55

Mathematics