I can write an Alsebrale Expression e Represepe a Rear World Studies al Sever bought poster for a per poster put in the table below and write an expression
to represent the total cost of p posters
Posters Bought
2
Expression

your answer would be 10x - 1

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4

3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3