Find the length of side x in simplest radical form with a rational denominator.

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

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?