4-4=0 is an example of that
Answer:

Step-by-step explanation:
Put x = 3, y = 2 and z = 5 to the given expression
:

Control = group with no music / maybe no variable?
Manipulated/independent variable = Number of tomatoes being grown
Dependent/responding = Number of tomatoes produced by each plant
Conclusion = Use four parts... Was your hypothesis correct or not and why...Cite numbers/evidence from experiment.... Were the results reliable?.... any improvements to be made
Answer:
13.32cm squared
Step-by-step explanation:
Area of triangle is B X H X0.5