Which two points satisfy y = -x2 + 2x + 4 and x + y = 4?

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

Given abcd ac=38 and ae=3x+4 find the value of x

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.