Use the method of symmetry to find the extreme value of each quadratic function and the value of x for which it occurs. f(x)=(x-3)(x+8)

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

What is the value of x in the diagram below?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?