In my opinion the concepts that belong in the branch of mathematics would be algebra, geometry, trigonometry, calculus, statistics, and probability. All of the following are known the be main branches of pure mathematics.
Answer:
x = 18
Step-by-step explanation:

Answer:
The answer is 56 grams
Step-by-step explanation:
All you have to is multiply the 2g from 1 coffee and the 28 days worth of coffee and you get 56grams
Answer:
Step-by-step explanation:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Step-by-step explanation:
5--1/5-1 0+3/5-1=-5/4