3/11 as a decimal using long division

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

16 more than the product of 5 and p

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?