In the diagram AB Is the perpendicular bisector of PH. Help

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Find two rational expressions that have the difference of 2-n/n-4

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?