Question

I'll mark the one who answers the questions correctly brainliest...
wrong answers or random answers just to gain points will be reported

a = 3 b = 1 c = 0

Perform the following operations.
1. (5x4 – 3x2 + 4) + (6x3 – 4x2 – 7)

2. (3y5 − 2y + y4 + 2y3 + 5) + (2y5 + 3y3 + 9)

3. Subtract 4x3 – 5x – 8 from 6x2 – 3x + 8

4. (5x3 – 7x2 + 3x – 4) –(8x3 + 2x2 +3x – 7)

5. (9x5 – 6x3 + 7x2) – (7x3 – 6x5 + 2x2)

Answer 1

Answer:

In which class do you read?

These questions are taught at class 5 or 6..