You are hiking on a trail that leads to the top of a mountain. at 1 p. m. you reach an elevation of 4400 feet. at 4 p. m. you reach an elevation of 5600 feet. what is your mean hourly change in elevation? the mean change in elevation is feet per hour.

Two spray paint machines are used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint? e used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint?

Adc is formed by reflecting abc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of adc square units. it wont let me put the picture but its a triangular pyramid thats abcd

Rosalee loans extra money by working as a babysitter over the weekend she charges $10 to drive to the home and in additional eight dollars per hour