What do you mean? i don’t quite get this question
Answer:

Step-by-step explanation:
Given
Girls = 3
Boys = 5
Required
How many ways can 2 boys and girls be chosen?
The keyword in the question is chosen;
This implies combination and will be calculated as thus;

For Boys;
n = 5 and r = 2






For Girls;
n = 3 and r = 2






Total Selection is calculated as thus;



Answer:
$351,000
Step-by-step explanation:
Your welcome
1800x6.5x30
Answer:
2x+2
Step-by-step explanation:
You multiple 2 by x and 1 which gives you 2x+2
the domain of f(x)=9-x^2 is (-∞,∞), {x|x ∈r}