I have to say <span>C. Exponential</span>
Likely bc it is definitely not certain, nor impossible, but it is more likely then unlikely
I am not completely sure but Khan Academy might show how to do that. Or it might at least give an example.
b= 63 and that is your answer
First, you combine like terms. I would start by circling the term and the sign in front of it. (A term is a piece separated by an addition/subtraction sign.) You can only combine terms with the same variable. 4.8a-2.1a-6.3b+7b is the same as your equation, just rearranged. Then, subtract (4.8a-2.1a) which is 2.7a. Add (-6.3b to 7b) The answer is 0.7b. If you have any questions, you can message me!
