Answer:
Ravi’s present age will be 5.
Step-by-step explanation:
From the given, Let Ravi’s present age is taken as "a" years.
After 15 years, his age = (a+15) years.
By the given, it is identified that the age of Ravi after 15 years is equal to the 4 times of his present age.
Given,

Then, it has been found that the present age of Ravi is 5 when his age after 15 years will be 4 times of his present age.
Answer: y = 3x
Step-by-step explanation:
The answer is y=3x because every month Giorgio learns a new song. so for the first month they learned 3 songs and in the second month they learn 3 more that adds up to 6 song total, so if you just times the month by 3 you will get your answer.
For every x you see in the f function you will replace with the h function
Answer:
yrdjdhngessrhmsrymftfyhstdfkdtjyrarddtgjgbfffhr jganntfbeakye no tengo ru tkm re e