Which of the following choices is the definition for a "variable"? *

a symbol, usually a letter, used to represent a number in mathematical expressions or sentences

Step-by-step explanation:

Hope it helps

4) choice 2, "a symbol, usually "

5) choice 1, "one variable equals "

Step-by-step explanation:

a term is either a single number or variable, or the product of several numbers or variables.

2/3x + 7 = 29

step-by-step explanation:

two thirds = 2/3

plus a number = x

at least 29 = 29

there for you should get 2/3x + 7 = 29

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|