School and Work

Two wives and their husbands have tickets for a play. They have the first four seats on the left side of the center aisle. They will be arriving separately from their jobs. So they agree to take their seats from the inside to the aisle in whatever order they arrive. There is a probability of that they will all have arrived by curtain time.

a. What is the probability that each wife will be seated next to her husband?

b. What is the probability that they all arrive by curtain time and that each wife is seated next to her husband?

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so i need this on an assignment for school and i wasn't really listening when he explained it. I just want the 3 components in paragraph form. :P oh and dont add to many sophisticated words because im copy and pasting.

heres the question word for word: describe the 3 major components necessary to help you understand the relationship between a graph, equation and a table of values.

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i need help with Standard deviation

and not with the slopes or whatever say they had

(21-36.6)^2 + (23-36.6)^2 + 35-36.6)^2 + (35-36.6)^2 + (26-36.6)^2 + 40-36.6)^2 + (51-36.6)^2 + (52-36.6)^2 / 8

= 11.27

how in the world did they get that answer? i got something wayyy wrong

please and ty ty ty o and it deff not a quiz or exam its in the lesson and ive researched even on youtube

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1. Find the area of the figure.
An equilateral triangle with sides of length 8.

a. 32 square root of 3 units to the 2nd power
b. 12 square root of 3 units to the 2nd power
c. 16 square root of 3 units to the 2nd power
d. 8 square root of 3 units to the 2nd power

2. Find the distance BF for the points B(1,-1) and F(-3,5)

a.distance = 5 square root of 2
b.distance = 13 square root of 2
c. distance = 2 square root of 13
d. distance = 2 square root of 5

3. Find the distance EA for the point E(-8,-2) and A(4,1)

a. distance = 3 square root of 17
b. distance = square root of 21
c. distance = square root of 17
d. distance = 17 square root of 3

4. Find the distance between the pair of points. Round your answers to the neareast hundredth.
(0,0) (5,8)

a. 9.68 units
b. 10.38 units
c. 9.43 units
d. 8.75 units

5. Find the distance between the pair of points. Round to the nearest hundredth
(-1,4) (-6,16)

a. 9.85 units
b. 7.26 units
c. 13 units
d. 17.49 units

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