In converting 40 centimeters to inches, what unit (omit the number) would you place in the numerator of your ratio? use the plural form in your answer. remember that there are 2.54 centimeters in 1 inch.

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?