Evaluate. x-y/7 for x= 18 and y=4 x-y/7= __ (simplify your answer.)

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.