Answer:
what's the question??
Step-by-step explanation:
The answer is 315 as the formula is : a+b/2•h.
Answer:
hope this helps!
Step-by-step explanation:
Sample response: The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.