G(t) = t^2 - 5 f(t) = -31 - 4 Find g((-4t)​

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Percent increase and decrease. original number: 45 new number: 18