Question

Please help also can you explain how to answer this if that’s ok?

Answer 1

the answer is B

Explanation:

you multiply 4 by -5z and 2 and get -20z+8 then you subtract the -6 from 8 and get 2 so -20z+2 a is -20z-2 so its not equivalent but b equals -20z+2 so it's B