4 Find the area of the semicircle. Either enter an exact answer in terms of it or use 3.14 for pi and enter your answer as a decimal. units2 Show Calculator​

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.

What is the difference between regular convex and concave polygons

Select the quadratic that has root x = 8 and x = -5