oil consumption is increasing at a rate of 1.8% per year. by what factor will oil consumption increase inn 6 years? use the approximate doubling time formula (rule of 70)

Y=4x^2+x-1 solve using quadratic formula

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?

Round to the nearest ten thousandth.i dont get this