I'm try to find out what is algebra

answer:

algebra (from arabic: الجبر‎, transliterated "al-jabr", literally meaning "reunion of broken parts") is one of the broad parts of mathematics, together with number theory, geometry and analysis. in its most general form, algebra is the study of mathematical symbols and the rules for manipulating these symbols; it is a unifying thread of almost all of mathematics. it includes everything from elementary equation solving to the study of abstractions such as groups, rings, and fields.

step-by-step explanation:

lol - maybe one day we'll understand the purpose..

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.