I believe it is the first option. Hope this helps!
Answer:

Step-by-step explanation:
The number of red marbles in the bag is;
.
The number of blue marbles in the bag is;
.
The number of white marbles in the bag is;
.
The total number of marbles in the bag is:
.
The probability of selecting a blue marble is 
We substitute the given information to obtain:

We simplify to obtain:

Answer:
(5x+2) (x-3)
Step-by-step explanation:
Answer:
TSA=115.5cm²
Step-by-step explanation:
T.S.A=3πr²
Given r=3.5cm
eq.
3×22/7×3.5×3.5
=3×22×0.5×3.5
=115.5cm²
Relative Frequency is how often something happens divided by all outcomes.
24 adults like pizza from a total pf 50 adults.
The frequency of adults who like pizza is 24.
The Relative Frequency of winning is 24/50 = 0.48 = 48%