1.) dependent variable a.)the variable representing the
first elements of the ordered
2.) function pairs in a function; the inputs
b.)the variable representing the
3.) independent variable second elements of the
ordered pairs in a function;
the outputs
c.)a relation in which each first
coordinate is paired with
exactly one-second
coordinate

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review