ms. castelli is looking up at the sky when she notices a plane flying in the distance. if the plane is 2500 feet above the ground and has a horizontal distance to ms. castelli of 1250 feet, what is the angle of elevation? round to the nearest tenth.

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.