Find the sum, sn, of the sequence.Find the sum of the even integers between 39 and 67.
A. 742
B. 795
C. 848
D. 689
Answer: A
Mathematics
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Compute the absolute value.|-18|
A. 0 B. 18 C. 36 D. -18
Mathematics
Multiply in the indicated base.637 × 47
A. 4457 B. 3557 C. 3467 D. 3457
Mathematics
Give the amplitude or period as requested.Amplitude of y = 4 cos 
x
A. 4
B. 6?
C. 
D. 
Mathematics
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Mathematics