It's real and rational roots
Two negatives equal a positive, so its just like subtracting 50 and 30, but your answer will be a positive.
Answer:
2a plus 3/4b
Step-by-step explanation:
First distribute the fractions.
Second communitate variable a.
Third communitate variable b.
Finally simplify.
i think this is the answer for n=-2/a+4
Answer:
B
Step-by-step explanation:
An experiment is a study carried out in a controlled environment where the person undertaking the research hopes to understand cause and effect between the independent and dependent variables. An example of a experiment is the palovian experiment
The independent variable is the variable that the person carrying out an experiment changes or manipulates. the independent variable usually have a direct effect on the dependent variable
The dependent variable is the variable that is being measured in an experiment. It is usually affected by the independent variable
Observational study is the study where the researcher observes and measures cause and effect between independent and dependent variables without trying to control or influence the population
