5x – 2y = 1
x + 3y = -7
how to solve by substitution

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?