Identify the area of the trapezoid. options: 299cm^2 325cm^2 425cm^2 399cm^2

399

Step-by-step explanation:

((a+b)/2) * h

((13+25)/2) * 21

399

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0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

what is the original number? you forgot to add it.