Answer:40%
Step-by-step explanation:20 divided by 50 is 0.4 then multiply that by 100 and get 40
62 8/10 is the answer.
.8 =8/10
Answer:
HUh? LOL
Step-by-step explanation:
Answer:
Last choice. d.
Step-by-step explanation:
We are given the first term and the sixth term.
The first term is
.
The sixth them is
.
Let's solve for the common ratio, r.

Divide both sides by -9:

Take the fifth root of both sides:


So the common ratio is 4.






Step-by-step explanation:

therefore, 9 students haven't given their speech