Look at the relationship between a and b.
a 10 12 14 16
b 38 36 34 32
which equation below describes the relationship between a and b?
a. b = 48 - a
b. b = 380 ÷ a
c. b = 3 × a
d. b = 28 + a

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.