Find the value of k if x minus 2 is a factor of P of X that is X square + X + k

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

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

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle