the answer on number 14. is ×=3 your welcome now please give me brainlest
Answer:
A. Y = 2/3x
Step-by-step explanation:
Each Y is 1/3 less than X
Answer 420.
a, is the first term. d is difference.
Since this is an arithmetic progression, I use this formula.
Un = nth term
Sn = sum of terms.
First find the number of terms, which is 20.
Then use the second formula to find the sum.