Answer:
B its 4 7/8 --------------
The slope of the equation is 4
The two equations are

and

the first equation can be solved for x to be

next you can substitute x in the second equation

Distribute 4 to everything in the parentheses

combine like terms:

subtract 28 from both sides of the equation

divide both sides by -1.5

plug this in to the original equation of x+y=7

subtract 4 from both sides.

Final Answer: they bought 3 adult tickets and 4 student tickets
Hope this helps!
4.15, 6.3, 8.45, 10.6, 12.75
The rule is to add 2.15 to each number in the sequence
Answer:
I am pretty sur it is 3
Step-by-step explanation: