Directions: Solve each of the following problems. Show your solution. (5 points each) 1. Bailey’s rectangular dog pen for his Irish setter must have an area of 400 square feet.
Also ,the length must be 10 feet longer than the width. Find the dimension of the pen.

400=(×+20)× is the equation or

400=×^2+20×

(×+10)= square root of 500

×+10=10 radical 5

final answer -10 + or - 10 radical 5=×

1 3 5

step-by-step explanation:

i took the test: )

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%