Kelby has several pets. She has B birds, C cats, and F frogs. The expression B + (C+F) represents the total number of pets Kelby has.
What does C + F represent in this context?
Choose 1
The total number of cold blooded pets
B
The total number of warm-blooded pets
The total number of pets with 2 legs
D
The total number of pets with 4 legs

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.