Simplify -3(4w-3) using the distributive property

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

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?