What is the surface area of a cone with a radius of 6.9 CM and a slant length of 18cm?

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

What are the sotions to the quadratic equation 9x^2=4

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?