1) A fair coin is flipped twice. H is recorded for heads and T for tails after each flip. The notation for conditional probability is P(H on 2nd flip∣∣H on 1st flip). Which notation is the probability of the two events being independent?

P(H on 2nd flip∣∣H on 1st flip)=P(H on 1st flip)P(H on 2nd flip)

​ P(H on 2nd flip∣∣H on 1st flip)=P(H on 2nd flip)P(H on 1st flip) ​

P(H on 2nd flip∣∣H on 1st flip)=P(H on 2nd flip)

​ P(H on 2nd flip∣∣H on 1st flip)=P(H on 1st flipandH on 2nd flip)P(H on 1st flip) ​

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a

step-by-step explanation:

c. 27 units.

step-by-step explanation:

we are told that in circle a, ∠bae ≅ ∠dae.

we can see from our given diagram that in and ;

, as these are radii of our given circle.

therefore, by sas congruence postulate.

hence, side be will be equal to side de as corresponding parts of congruent triangles are congruent. so we can set an equation to find the value of x as:

now let us substitute x=17 in the expression for the length of be.

therefore, length of be will be 27 units and option c is the correct choice.