Alianna spent $21 of their $300 paycheck on a gift. What percent of the paycheck was spent on the gift?

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Polynomial that can be factored as (3x-4)(3x+4)

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