The vertical distance from a crest to the rest position ! I know I'm a little late but I just took this.
Answer:
-10, -3, 5, 14
Am not sure if this is correct
2/4 - 3/4 = -1/4 hope this helps...
<span>Each number had 10 possibilities. So to calculate the number of possibilities for two numbers multiply 10 by 10. This means that for all 4 digits the number of possible permutations is 10x10x10x10 or 10 to the power 4. This equals to 10,000 therefore D.
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They are similars because If you see the picture
