Answer:
3 students
Step-by-step explanation:

50 - 47.5
= 2.5
Answer:
y≥1/2 x +1
Step-by-step explanation:
first the line in the graph is bold and not dotted
so the sign is either ≤ or≥
the shaded area is on the top , on this case it is greater than
the right answer is y≥1/2 x +1
Answer:
It's the second one
Step-by-step explanation:
If you use exponent rules (a*b)^n=a^n*b^n. Raise each term separately to 1/3 (by multiplying by 1/3) and then you get x^9 (y^1/3)