In an arithmetic sequence with a1= 4 and a common difference (d) of -3, find the partial sum S7.

If a1=12 and the common difference (d) in an arithmetic sequence is -4, what is the partial sum S4?

Given an arithmetic sequence with a1=-10 and a common difference (d) of 4, what is the partial sum S15?

In an arithmetic sequence, a1=6 , and the common difference (d) is 2. Calculate the partial sum S8.

Given an arithmetic sequence with a1= 10 and a common difference (d) of 7, what is the partial sum S11?

If the first term of an arithmetic sequence is a1=-9, and the common difference (d) is 5, what is the partial sum S10?

In an arithmetic sequence, if a1= 14 and d = -9, find the partial sum S4.

In an arithmetic sequence, the common difference (d) between consecutive terms is 7. If the first term is a₁=3, what is the partial sum S₄?

In an arithmetic sequence, if a1= 20 and d = -5, find the partial sum S6.

The first term of an arithmetic sequence is a1=18, and the common difference (d) is 4. Calculate the partial sum S20.