Pleaseee just helpp i keep putting this question up and it gets deleted for no reaso!! please hurry What is the volume of a cone with a radius of 5 inches and a height of 12 inches? (Use 3.14 for .)

942 cubic inches
314 cubic inches
376.8 cubic inches
125.6 cubic inches

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.