Linear relation - when both lines are straight y intercept - when both lines intersects
slope - when it it goes down
initial value - starting intersept
90

Y-Intercept is always gonna be on the Y axis.

step-by-step explanation:

659

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%