Answer:
Step-by-step explanation:
It looks like the first 3 are because they all are blank x2.5 but the last one would be 8x2.5=20..
Answer is option 4. working out attached
hope it helps :)
Question 1: When sediments and rocks are dropped at the end of the river.
Question 2: An earthquake.
The z-score is the number of standard deviations away from the mean. We first subtract the actual score from the mean, then divide the difference by the standard deviation. In this case, our actual score is 13, so we subtract from the mean of 16, then divide by the SD of 2
(13 - 16) / 2 = -1.5