Ononot — An arithmetic progression an has a1 = 4 and a{10} = 31. What

Guest Session: 1 Question Remaining. Create Account to save progress.

Arithmetic Sequencesmedium

0:00.0

An arithmetic progression $a_n$ has $a_1 = 4$ and $a_{10} = 31$ . What is the sum of the first $10$ terms?