SAT Lines, angles, and triangles Question

In triangle JKL, the measures of $\angle K$ and $\angle L$ are each 51. What is the measure of ZJ, in degrees? (Disregard the degree symbol when entering your answer.) The table shows three values of x and their corresponding values of y for the equation $y=7(2)\times +8$ . In the table, a is a constant. What is the value of a?