Help to explain into details. Thank you!    A box has 1 red and 3 blue marbles.Two marble are selected at random (together, without replacement).Let R be the number of reds we get.Let B be the number of blues we get.Compute Cov(R, B).

Q: Question #1 (past skill) T Evaluate the following the expression f° . f2 -7

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Q: 5. Given A(1, 2), B(4, 9), and C(-4, 8), find the measure of ZA.

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Q: Probability Question

A: Here, it is required to find out the number of values in the range 35 to 65.

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Q: Let A= {2, 4, 6}, B={2, 6}, C={4, 6} and D={4, 6, 8}.

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Q: Let A = {−1, 3, 2} and B = {1, 2, 6}. Find A N B. ○ {2} O{-1, O{-1, 2, 3, 6} O{-1, 3} 1, 2, 3, 6}

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Q: U = {-V6,-5, –4.5, –4, –3, – 2.8, – 2, –1,0,1, /2, 2, V5, 3, V10,- 2' ,4,5, 6,7, 8, 9, 10, 11} A =…

A: Given universal set U=-6 , -5 , -4.5 , -4 , -3 , -2.8 , -2 , -1 , 0 , 1 , 2 , 2 , 5 , 3 , 10  ,72 ,…

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Q: In the diagram below, if AB= 40, CD = 25, and AD = 80, find BC. D. O 15 O 40 О 25 O 60

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Q: Find the missing value of the following combination. 1. C(n,4) = 15 2.C(8, r) = 28

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Q: & Find the m2. SHOW WORK. 6xts

A: the given figure is: we have to find m∠2.

Q: 7) A bag contains 10 marbles: 6 red, 3 blue, and 1 green. One marble is selected at random. 7). Find…

A: Explanation of the answer is as follows