<span>Chemistry is the branch of science that deals with the identification of the substances of which matter is composed. </span>
Answer:
B
Step-by-step explanation:
The m to the y can’t equal to m so it’s b
Answer:
-24
Step-by-step explanation:
Easy way: 42 - 18 = 24, then translate it to negative 24 because your numbers are negative.
A little bit harder way: -42 + (-18) or -42 + 18 = -24
3:15
Step by step explanation:
10:45
-7:30
———
3:15