3 This diagram is a straightedge and compass construction. A is the center of one
circle, and B
is the center of the other. Select all the true statements.
O AC = BC
AC = BD
CD = AB
ABCD is a square
ABD is an equilateral triangle
OCD = AB + AB

Which equation represents the partial sum of the geometric series?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

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.