The picture below is the question help asap pls ill mark crown

In a scientific experiment, a is any factor that can be changed or be changed

In the diagram below, ab and bc are tangent to o. what is the measure of

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy