Synthetic division problem

What is the solution of log2  (3x  -  7)  =  3? 4 5

Sketch one cycle if the cosine function y=2cos2theta

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30