No, a lone variable has an invisible one in front of it, So 4z (can’t put the top number sorry) So 4z - z would equal 3z
Answer:
2x-60=180
Step-by-step explanation:
it's my view and I tackle this prob.
Answer:$36
Step-by-step explanation:
He has sold 6 and made $18 6x2=12 2x18=36
1/2 I think. Even though you already got heads 10 times you still have a 1/2 chance to get it again.
Answer:
i just know you have to use the second equation
Step-by-step explanation: