Answer:
Step-by-step explanation:
you want maximum height reached?

Answer:
Step-by-step explanation:
In scientific notation, it would be 10^1. the 7s cancel out and -7- -8 is 1. It would be 10 to the first power or just 10.
Answer:
C: Lucy can type 120 words in 4 minutes
Step-by-step explanation:
I the ratio is 30: 1 that means Lucy can type 30 words in 1 minuet
So multiply 30 by 4 and that would be 120
30 represents words so Lucy can type 120 words per 4 minuets