If x = 5 and 5 = y, then x = y what algebraic equality property justifies the above statement? reflexive transitive symmetric addition

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)