Scientific define mass
In physical science, mass is a measure of the number of atoms in an object combined with the density of those atoms. The mass of an object determines how that object responds to forces such as gravity and friction. The typical unit of measure for mass is kilograms.
Answer:80%
Step-by-step explanation:
18/90 × 100%
=20%
he got 20% of the questions wrong
100% - 20% =80%
=>he got 80% of the questions correct
Answer:
C. How many movies do the students in my class watch in a month
Step-by-step explanation:
Answer:
Subtraction Property of Equality
Step-by-step explanation:
you should subtract both side with 7 first.
