Perform the operations and simplify.
?
?
Assume that no denominators are 0.
?
A. ?
B. 
C. ?
D. ?
Answer: B
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Match the equation with the surface it defines.f(x, y) = 
A. 
B. 
C. 
D. 
Solve the problem. Use 3.14 as an approximation for ? where appropriate.An aluminum cylindrical juice can has a height of 6 inches and a radius of 10 inches. How many square inches of aluminum are needed to make the can?
A. 1004.8 in2 B. 1884.0 in2 C. 816.4 in2 D. 502.4 in2
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. Solve the equation 
to find the time t (in seconds) at which the object hits the ground.
A. 160 sec B. -2 sec C. 2 sec D. 5 sec
Find the approximate value of the expression with a calculator. Round your answer to three decimal places.sin-1 (0.4216)
A. 2.706 B. 0.435 C. 1.136 D. 3.577