The following formula is for the area, A, of the curved surface area of a cone. A = pie x r x l, where r is the radius and l is the slant height of the cone. Calculate the total surface area of a cone with radius 6cm and slant height 13cm

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Can someone show me step by step how to do this?

Ashley recently opened a store that sells only natural ingredients. she wants to advertise her products by distributing bags of samples in her neighborhood. it takes one person 22 minutes to prepare one bag. how many hours will it take to prepare 900900 bags of samples if ashley and 55 of her friends do the work?