Answer:
Because you didnt pay for brainly.
If you do, no adds :D
Its a lot easier to be honest
Answer:
A. 3, 0, -3, -6
Step-by-step explanation:
The sequence with constant first differences is an arithmetic sequence. The sequence of A has a common difference of -3, so is an arithmetic sequence.
Tn=3n-5
therefore: T(3)=3(3)-5
T(3) =4
Answer:
60π
Step-by-step explanation:
2π(3 × 7 ) + 2π (3)^2
Distribute: 2x3x7 and 2x3^2
42π + 18π
That gives 60π.
