Please help ASAP, thanks! I will give the brainliest to the correct one.​

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

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota