Answer:is an expression telling the computer what mathematical operation to perform upon a specific value. When referring to computer software, formulas are most often used in spreadsheet programs, such as Microsoft Excel.
Step-by-step explanation:
Answer:
a formula is a group of mathematical symbols used to solve a problem.
It's B
-a +5a-a =3a
+4-6=-2
= 3a-2
C. 2^8p=2^5p+15
:D
