If the first three terms of a geometric sequence are 8, 12, and 2x-4 then what is the value of x

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

Tell whether the two rates form a proportion