Answer:
x=-7
Step-by-step explanation:
add 4 to both sides. leaving you with x=-7
At the 3/4 marker, the rider can collect a green ribbon and a blue ribbon.
Because 3/4 is the 3rd stop for a blue ribbon and 3/4 is the 6th stop for a green ribbon.
D because they played for two days so that makes you multiply the number of seconds by the same number