Find the distance between the given points . find the midpoint of the segment with the given endpoints. round to the nearest tenth, if necessary

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15