How do you solve 4x - 1/2=8 ?

Which of the following is the true for f(x) = 5cos

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :

Find the measure of angle a in the following triangle