What is 8 weeks from June 30th

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

What is the interquartile range (iqr) of the data set represented by this box plot?

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2