Line a is represented by the following equation: x + y = 2
what is most likely the equation for line b so the set of equations has no solution?
x + 2y = 2
2x + 2y = 4
2x + y = 2
x + y = 4

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Which graph represents the following piecewise defined function?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.