Answer:
please give more clarification
First answer is correct because angles DAB and EAD equal 180 degrees (supplementary)
Answer:
So we have a ratio which you have specified 13:52. So we just need to get the same ratio for 13. 32/52 is how we get 32 from multiplying by 52. So now we just need to multiply it for 13 also'
13*32/52 = 8. Therefore the answer to this is 8
<h2 /><h2><u>
8 is answer</u></h2>
<h3>Option C</h3><h3>The average rate of the reaction over the entire course of the reaction is:

</h3>
<em><u>Solution:</u></em>
Average rate is the ratio of concentration change to the time taken for the change

The concentration of the reactants changes 1.8 M to 0.6 M
here, the time interval given is 0 to 580 sec
Therefore,

Thus option C is correct