Answer:
reffrents a number
Step-by-step explanation:
2nd one maybe I’m not to sure srry
H^3+3h^2x+3hx^2+x^3 should be the answer
Answer:

Step-by-step explanation:
Considering John's height as
, saying that his height is at least 5 feet tall, it implies that the lowest height for John is 
So, inequality is

Answer:
y=3x+1, or the second option
Step-by-step explanation:
We can see on the graph the line converges with the y-axis at (0, 1), so we can cross out the last two answers. Then we can also see that the slope is 3 on the graph and an equation that has x^2 must be a parabola. The answer is then narrowed down to the second option.