What’s the surface area of a sphere if the radius is 2.5

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other