Solve these problems. Be sure to do the step by step 1) Y + 8 = 21
5) 9x = 63
2) B + 7 = 16
6) 28 = 7a
3) N-6 = 11
7) y/8 = 5
4) 32 = 8 + X
8) b/9 = 3

tangent

step-by-step explanation:

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

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%

here the answers ur welcome also plz mark as brainliest if someone else anwers