This is an arithmetic series with common difference 6
S13 = (13/2)[2*-5 + (13-1)*6)] = 403
I think you have to solve like each section like (5x3+3)2 first solve that and then solve the middle one and then the last one and I think they all have to be equal to each other , and if they aren’t then her anwser isn’t correct
Answer:
it would be something along the lines of. 5+25d =c
Answer:
1,512
Step-by-step explanation:
I got you ok so, you just multiply all the numbers. and when there is that much numbers you are gonna be in the a thousands. use a calculator easy!
