Answer:
15
Step-by-step explanation:
3x5 ....................
X = number of students who are members.
<span>19-x is the number of people who are not members.</span> x number of people paid $11 for tickets and (19-x) number of people paid $13.$11x+$13(19-x)=$209 for the total cost of the tickets.
$11x+ $247-$13x=$209 $11x-13x = $209 - $247
$-2x = $-38
divide -2 by both sides
x=19, meaning that all of the students are members.
Answer:
We can make it in 36! ways.
Step-by-step explanation:
We have 36 photos and we need to arrange on a gallery wall.
So, since we need to arrange them so we will use permutation
And the number of ways arranging these 36 photos will be 36!
So, here we have n=36
Answer: 276,435
Step-by-step explanation:
yes
15) Answer is B because you can clearly see it's only 1 inch