Answer:
the answer is 1.5 and the equation is 18.00÷12
Step-by-step explanation:
You need to divide to find out how much 1 box is
Answer:
x= 
y= 
Step-by-step explanation:

Simplify, find the x-value first:

Substitute x-value into any equation (i did the second equation) and simplify:


B r u h h h h h h h hh h h
The third angle would be 66 degrees, because the total degrees of a triangle equals 180
Answer:
-20.1 degrees Celsius
Step-by-step explanation:
The system started at -12.6 Celsius. It then cooled 7.5 degrees during a reaction. Because it cooled, that means the difference is negative.
-12.6 degrees Celsius - 7.5 degrees Celsius = -20.1 degrees Celsius
It is important to always remember your correct names and variables for numbers in chemistry!