Answer:
1 is4 I think and 2 i think is 2 im not sure though
Answer:
63
Step-by-step explanation:
multiply the side by 9
I thing the answer is 75 I may be wrong but that’s what I got
Answer:
90 beats per minute
Step-by-step explanation:
By looking at the graph, we see that exactly at second 6, the 9th beat occurs. We can take that to beats/min by multiplying that relation by 10 (since there are ten 6sec in one minute).
9beats every 6sec * 10 = 90beats/min