Answer: EMAIL OR PHONE NUMBER
Step-by-step explanation:
Answer:
All expressions are correct
Step-by-step explanation:
9z+7z = 16 z
We need to find an expression ( or expressions ) that are equal to 16z
6z+3z+ 7z = 16z Correct
z+8z+7z = 16z Correct
z*16 = 16z Correct
21z+ -5z = 16z Correct
we are given

we have to subtract
step-1: Distribute negative sign

step-2:Combine like terms


we get
............Answer
Rounding up when the decimal is above 5, Rounding down when the decimal is 5 and below
the answer you are looking for would be 48 + 30 + 12 = Approximately 80 estimate