Answer:30
Step-by-step explanation:
1/3 of 45 is 15, meaning 15 students gave their speech on day 1
Today 2/5 of the remaining students gave their speech. That’s 12 more
So a total of 27 students gave their speeches. That means 18 students remain. The answer is 18
The one that is wrong is. C. If all the x’s are different it is a function
Answer: 30 degrees
Step-by-step explanation: