The following table represents the number of tickets purchased at a movie theatre and the cost of purchase. # of Tickets Cost
2 $17
4 $34
6 $51
8 $68
The number of tickets purchased varles directly with the total cost of the purchase. Determine the constant of variation.
A. $34.00
B. $0.12
C. $8.50
D. $17.00
Please help, thank you! (any links will be reported pls ONLY answer if you know)​

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

Why is studying fractions important