Find the difference.19 - (-9)
A. -28
B. -10
C. 10
D. 28
Answer: D
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Over a certain period of time, a precious metal doubled in price every 6 years. What was the yearly percentage growth rate for the price of this metal during this period? Round your answer to two decimal places if necessary. ?
A. 33.79% B. 12.25% C. 12.75% D. 33.33%
The result of a hypothesis is described in terms of the probability of obtaining a particular sample. Use the given context to formulate the null and alternative hypotheses. Discuss whether the sample provides evidence for rejecting the null hypothesis.In the city of Heathville, the proportion of births that are by Caesarean section is 0.23 (23%). A small private hospital claims that at their hospital, the proportion of Caesarean births is lower. In a random sample of 120 births at the private hospital, the proportion of Caesarean births was 0.18. Assuming that the true proportion of Caesarean births at the private hospital is 0.23, the probability of selecting a sample in which the proportion of Caesareans is 0.18 or less is roughly 0.09.
What will be an ideal response?
By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = n cos 
A. L = 0, N = 28 B. diverges C. L = 0, N = 37 D. L = 1, N = 28
Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 
A. - 
B. 
C. - 
D. 
