In order to prove a conjecture is always true, you must show? A.) a formal proof
B.) a counterexample
C.) several true examples
D.) an informal proof

Iam so stuck. what is the worked out answer for this question?

Pepe is going to spin the following spinner 800 times. the spinner is divided into equal sections. a. exactly 160 timesb. clost to 160 times but probably not exactly 160 timesc. exactly 640 timesd. close to 640 times but not probably not exactly 640 times. me

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