Question

please answer fast and don't spam ​

Answer 1

Answer:

1. 15z^2-8z

2.4000/900

I.e. 40:9

3.above (attachment)

5. 1:2:3:4

6. 5x-2

3

7. 0

if this answer is correct then mark this answer as brainlist dear buddy and thanks my all answers