Write the ratio as a fraction in lowest terms.8
to 8
A. 
B. 
C. 
D. 
Answer: B
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A hypothesis test is to be performed. Describe the two possible outcomes of the test using the context of the given situation.A health insurer has determined that the "reasonable and customary" fee for a certain medical procedure is 
They suspect that the average fee charged by one particular clinic for this procedure is higher than 
The insurer wants to perform a hypothesis test to determine whether their suspicion is correct.The hypothesis tests are as follows: Null hypothesis: mean fee = $1200Alternative hypothesis: mean fee > $1200
A. Rejecting the null hypothesis means there is evidence that the mean fee is not equal to $1200. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the mean fee is greater than $1200. B. Rejecting the null hypothesis means there is evidence that the mean fee is greater than $1200. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the mean fee is greater than $1200. C. Rejecting the null hypothesis means there is evidence that the mean fee is greater than $1200. Accepting the null hypothesis means there is evidence to conclude that the mean fee is equal to $1200. D. Rejecting the null hypothesis means there is evidence that the mean fee is greater than $1200. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the mean fee is equal to $1200.
Simplify.
A. 
B. 
C. 
D. 
Solve the problem.Newton's Law of Cooling states that if a body with temperature T1 is placed in surroundings with temperature T0 different from T1, then the body will either cool or warm to temperature T(t) after time t, in minutes, where 
A dish of lasagna baked at 375°F is taken out of the oven into a kitchen that is 69°F. After 6 minutes, the temperature of the lasagna is 318.5°F. What will its temperature be 12 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 281°F B. 272°F C. 258°F D. 266°F
Solve the problem.The derivative of a function can be used to find the slope of the line tangent to its graph. If the slope of the line tangent to the graph of f(x) = x2 + x at (5, 30) is 11, write the equation of this tangent line.
A. y = -11x + 85 B. y = -11x - 85 C. y = 11x - 25 D. y = 11x + 25