-3.5(2-3n)-2.5n=-7+10.5n-2.5n
=-7+8n
So the answer is B
I think my answer is a because it can’t be B and it can’t be C and it can’t be D so my answer is a
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: 5 s
Step-by-step explanation:
Given
Height of the rocket can be modelled as 
Rocket will land on earth when it's height becomes 0
Neglecting 0 value
Thus, rocket remains in air for 5 s.
Answer:
a + a + a = 3a
Step-by-step explanation:
let me know if there is more to the question
