Evaluate by finding the least common denominator. Simplify if possible.- 
+ 
A. - 
B. - 
C. 
D. - 
Answer: A
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Perform the indicated operations and simplify the result so there are no quotients to complete the identity.
+ 
= ?
A. -2 tan2? B. sin ? tan ? C. 1 + cot ? D. sec ? csc ?
Convert as indicated.83.14 m to kilometers
A. 0.08314 km B. 8,314 km C. 83,140 km D. 0.8314 km
A quantity of a gas with an initial volume of 1 cubic foot and a pressure of 4,500 pounds per square foot expands to a volume of 5 cubic feet. Find the work done by the gas. Round your answer to two decimal places. ?
A. 7,192.47 ft-lb B. 7,242.47 ft-lb C. 3,600.00 ft-lb D. 4,320.00 ft-lb E. 6,238.32 ft-lb
Solve the problem.The perimeter of a rectangle is 46 cm. The length is 11 cm longer than the width. Find the dimensions.
A. Width: 6 cm; length: 11 cm B. Width: 10 cm; length: 21 cm C. Width: 12 cm; length: 23 cm D. Width: 6 cm; length: 17 cm