Answer:
c
Step-by-step explanation:
used socratic
18-3=15
Originally pay 25 = 75
450-75=375
375 + 75 = 450
C) 18 people were originally going on the trip and 15 are going now.
Idk about D
Answer:
the length is 4
Step-by-step explanation:
12-8 =4
hope it helps
Answer:
A
Step-by-step explanation:
The solution to a system of equations is the point of intersection of the 2 lines.
The lines intersect at (6, 9 ) ← solution
A letter or symbol is used to represent an unknown quantity