Question

5. Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he's going to create and experiment to find out if there is something better. What is 1 constant?
a. type of tissue
b. Justin
c. amount of tissue
d. mass of snot the tissues can hold
e. kleenex

7. Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he's going to create and experiment to find out if there is something better. What is the dependent variable?
a. kleenex
b. Justin
c. type of tissue
d. mass of snot the tissues can hold <NOT THIS>
e. amount of tissue

8. Mrs. McNiece wanted to see how different types of music affected students' pulse rates. She played different types of music: heavy metal, rap, R&b, alternative, pop, country, and classical music. What is the dependent variable?
a. classical music resulted in the highest pulse rate <NOT THIS?>
b. high pulse rate
c. Mrs. McNiece
d. pulse rate <NOT THIS>
e. types of music

Answer 1

same Justin the whole tie

amount of tissue needed depends on type of tissue used

pulse rate is the dependent variable and I do not know why you say it is not
write as:
pulse rate = f(music type)
see definition:http://dictionary.reference.com/browse/dependent+variable