Well for 11, it is an inequality, a > sign or < sign with a little underscore mean either "greater than or equal to" or "less then or equal to" so 30> 12+m (>with an underscore) means 30 is greater than or equal to 12+m
You are correct. the answer is 4/7 and there are 12 girls and 16 boys.
Hope this helps.
Answer:
X^2 + 11x + 30
Step-by-step explanation:
x*x= x^2
x*6= 6x
x*5= 5x
6*5= 30
x^2 +6x+5x+30
Combine like terms
x^2 + 11x + 30