How to find the vertex of y=2x^2+12x+16

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?