Use the reciprocal and quotient identities to find the indicated function value.tan ? = - 
, sin ? = 
; find cos ?
A. 
B. - 
C. 
D. - 
Answer: D
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Evaluate the integral. 
A. - 
y4 e-7y + C
B. - 
e-7y
+ C
C. -e-7y
+ C
D. e-7y
+ C
Insert <, >, or = between the pair of numbers to make a true statement.|-41| _____ - (-41)
A. = B. > C. <
Solve.A boat sailed a distance of 21 kilometers due south. It then banked to the left and sailed the second leg of the journey. Finally, it banked left again and sailed back to the starting point. The entire course was shaped like a right triangle with the 21-kilometer distance serving as the hypotenuse. The second leg of the journey was 7 kilometers longer than the final leg. How long were the second and third legs of the journey? Round your answers to the nearest hundredth of a kilometer, if necessary.
A. The second leg was 21.43 kilometers. The third leg was 7.43 kilometers. B. The second leg was 9.38 kilometers. The third leg was 5.88 kilometers. C. The second leg was 17.93 kilometers. The third leg was 10.93 kilometers. D. The second leg was 18.76 kilometers. The third leg was 11.76 kilometers.
Use long division to find the quotient and check.1324 ÷ 2
A. 662 B. 664 C. 664 R1 D. 662 R1