To solve a system of equations, you can replace a with an equal value or expression.

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

A(t)=728(1+0.04)^t how much money did aditya originally invest

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.