What is the slope of the line of best-fit in the scatterplot below?
9/27
3/7
7/3
27/9

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.

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex