Which equation is a point slope form equation for line ab ? ａ。 y+1=−23(x−4) ｂ。y+1=−32(x−4) ｃ。y+1=23(x−4) ｄ。 y+1=32(x−4)

The correct option is A.

Explanation:

From the given figure it is noticed that the coordinates of point A are (4,-1) and the coordinates of B are (-2,3).

The slope form of a line passing through two points and is,

The line AB passing through two points A(4,-1) and B(-2,3).

Using the above formula,

Therefore, the option A is correct.

answer: for each 3 girls there is 2 boys . 3: 2

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a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.