Use Newton's Law of Cooling to solve the problem.A dish of lasagna baked at 350°F is taken out of the oven into a kitchen that is 74°F. After 5 minutes, the temperature of the lasagna is 312.7°F. What will its temperature be 20 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 235°F.
B. 224°F.
C. 218°F.
D. 229°F.
Answer: D
Mathematics
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Solve the system of equations.x - 6y + z = 266x - y - z = 9
A. 
B. 
C. 
D. 
Mathematics
Solve.A circular flower garden has a diameter of 15 feet. Approximate the distance around the garden. Use 3.14 for ?.
A. 94.2 ft B. 706.5 ft C. 47.1 ft D. 23.55 ft
Mathematics
Evaluate the expression.
A. 6
B. 0
C. 1
D. 
Mathematics
Use the given zero to find the remaining zeros of the function.f(x) = x3 - 3x2 - 5x + 39; zero: -3
A. 6 + 4i, 6 - 4i
B. 1 + 2
i, 1 - 2
i
C. 1 + 2i, 1 - 2i
D. 3 + 2i, 3 - 2i
Mathematics