Answer:
Independent variable is temperature
Explanation:
An equation has this form: Y= f(x), where Y is dependent variable andX is independent variable.
In this case Y ( Dependent variable) is Perfomance in test, an it depends on x(Independent variable) wich is temperature.
C. When they separated it created the big bang
Answer:

Explanation:
The statements are logically equivalent if they have the same truth tables. So let´s use truth tables in order to determine if they are logically equivalent or not:
The picture that I attached you shows the truth table for each case. As you can see in the highlight columns:

They are logically equivalent because they have exactly the same truth values between each other. Hence, we can conclude that they are logically equivalent.
Answer:
Draw a flowchart that solve the problem of calculating the Area of circle
Pie x r x2
Explanation:
Computer checkup/maintenance. You forgot to mention windows updates, it is critical to perform that action as well cause of the recent ransomeware malware that is going around lately and Microsoft and other OS vendors yes even Apple have released patches to prevent it spreading even further.