Answer the following 3 questions correctly i will know if this is wrong. i will report any incorrect answers! criteria for getting brainliest and not getting reported: - show work- explain if you can't show work why this answer is correct.- and make sure not to post random answers points are taken away when you are reported so don't think about answering it if you want only just want points to move up.1. define: equationa) the rules that say which calculation comes first in an expression b) putting numbers where the letters are. c) states that two things are equal. it will have an equals sign "="d) multiplying a number by a group of numbers added together is the same as doing each multiplication separately2. define: literal equationa) the operation that reverses the effect of another operation. b) states that two things are equal. it will have an equals sign "="c) an equation with multiple variables where variables represent known values. d) multiplying a number by a group of numbers added together is the same as doing each multiplication separately3. define: order of operationsa) a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add, subtract, multiply, and divide).b)the rules that identifiies which calculations to do first in an expressionc)to calculate the value of an expression. d) it is a symbol used to identify if an integer is positive or negative.