What is the area of this triangle?
X
A A UV. -vxXx -x)
OB. A- ( - vixx -x
OC. A-U -vixx - x)
OD. A=1t: -7, Xx - x0)
DE AFV: -, Xxx -x)

Can someone explain the elimination method to me for this problem?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.