Both pound and kilogram are units of measurement of weight or mass. A pound is an imperial unit of mass or weight
Answer:
part a: two is the y intercept because the line intercepts at two on the y-axis
part b: i don't know but gl
7x+14-2x=-x+12-x-19
collect like terms
7x-2x+X+X+19=12-14
7x+19+2
7x=-21
x-21/7
X=-3
-16 - 4 = -1(16 + 4) = -1(20) = -20
Hope that helped :)