Find the perimeter and area using formulas. plz

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

£100.80 divided by 14 equals 7.2 how would we put this as money