What is the value of y in the system of equations y=2x-3 and x=2?

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.