Here is the work for that problem
Answer:
A:∑j=15(2j−5)
Step-by-step explanation:
a = -3
d = -1 - (-3) = -1 + 3 = 2
j-th term: a + (j-1)d
-3 + (j - 1)(2)
-3 + 2j - 2
2j - 5

You need to use the equation for adding fractions, which is

In this case, a=-1, b=3, c=-3, d=5.

simplify
answer:
Answer:
4) 8
Step-by-step explanation:
Answer:
52
you take 5 ÷ it by 7 the ×it by 595