Tn=n²+3
from 4 to 7....the difference is 3, then from 7 to 12 the difference is 5 and from 12 to 19 the difference is 7
therefore we constantly add 2 to the difference
Answer: y + x = ?
y - x = ?
y times x = ?
y / x = ?
Step-by-step explanation: If 1 is correct tell me, if none are, i will edit :D
Hmm idk if this is what you need, but here we go: Amy is 5 years older than her brother, John. Her age is 19. How old is John?
x-John
x+5=19
x=19-5=14
John is 14.
