Solve by the method of elimination by addition or subtraction. 9x + 8y = 6-4x - 5y = -7

A. x = -3, y = 4
B. x = -2, y = 4
C. x = -2, y = 3
D. Inconsistent


Answer: C

Mathematics

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Evaluate the integral by making a substitution and then using a table of integrals.

A.  +  ln   + C
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C.  sin-1   + C
D.  +  ln  + C

Mathematics

Solve the problem. Round to the nearest tenth when necessary.The roof of a building is in the shape of the hyperbola  where x and y are in meters. Refer to the figure and determine the height h of the outside walls.A = 9 m

A. 93 m B. 69 m C. 9.6 m D. 3 m

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Provide an appropriate response.If a > 1, what two points on the graph of f(x) = loga can be found with no computation?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Make the indicated temperature conversion. Round answers to one decimal place if necessary.Convert 72°C to Fahrenheit.

A. 97.6°F B. 61°F C. 25.4°F D. 161.6°F

Mathematics