Solve the problem.Coffee is best enjoyed at a temperature of 118°F. A restaurant owner wants to discover the temperature T at which he should serve his coffee so that it will have cooled to this ideal temperature in 4 minutes. He discovers that a cup of coffee served at 197°F cools to 184°F in one minute when his restaurant is at 68°F. If he maintains the restaurant temperature at 68°F, at what temperature should he serve the coffee to meet his goal?

A. 139°F
B. 164°F
C. 144°F
D. 197°F


Answer: C

Mathematics

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Evaluate the integral.

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On the coordinate plane below, plot the points with the given coordinates.A(1, 5), B(-2, -6)

A.

B.

C.

D.

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Solve the equation.x2/3 = 

A. 256
B.
C.
D. 64

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Solve the problem.The function f(x) = 700(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault after  Round to the nearest whole number.

A. 124 pounds B. 98 pounds C. 548 pounds D. 992 pounds

Mathematics