Answer:

Step-by-step explanation:
Put x = 3, y = 2 and z = 5 to the given expression
:

Step-by-step explanation:
so therefore mark jogged 2 36/70km more than his sister
Answer:
4x-12
Step-by-step explanation:
just distribute the 2 over to the 2x and the -6. That means multiply 2, to everything in the parentheses. Hope that's helpful
A number squared would be x squared (x^2)
The product of x squared and ten is 10x^2
Then subtract nine
10x^2 - 9
Answer:
it A
Step-by-step explanation: