The answer would be B. 3x^2 + 12x
Answer:

Step-by-step explanation:
1 has been divided into three equal parts. Each of these parts is 1/3. Let's calculate how many times 1/3 is in 3.
Answer:
Yellow?
Step-by-step explanation:
I don't know what you are asking. Could you rephrase it please?
Answer:
slope is y=10x.
Slope shows that she is consistently burning 10 calories per minute
Step-by-step explanation:
The missing number would be 4/6, or 2/3.
The missing number can be found by finding the absolute distance in between the numbers, dividing it and then adding it to the smaller number.
(5/6-3/6)/2=(2/6)/2=1/6
3/6+1/6=4/6 or 2/3