What is the general expression for the nth term of an arithmetic sequence?

What are the soultion(s) to the quadratic equation 40- x^2=0

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

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =