In circle P, what is the measure of abc ?

180° 60° 90° 270°

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.

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?