The lines that contain the altitudes of a triangle are parallel. concurrent. congruent.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

In the diagram, gef and hef are congruent. what is the value of x

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.