Total ratio = 4+7 = 11
33/11 = 3
4x3 = 12
7x3 = 21
so the two groups are 12:21
which is also = 4:7
Answer:
x ≥ 7
Step-by-step explanation:
"Is at least" means the same as "is greater than or equal to". Then "x is greater than or equal to 7" is expressed in symbols as ...
x ≥ 7
You graph will look something like this :)

So, there are (3)(4)(2)=24 positive factors.
4^3=4*4*4=64
2^6=2*2*2*2*2*2=64