No explanations needed, only the correct solution, thank you:

Use the figure to find the exact value of the trigonometric function. sin 20 = N4. DETAILS ON Submissions Used MY NOTES ASK YOUR TEACHER Solve the logarithmic equation algebraically. Approximate the result to three decimal places. (If there is no solution, enter NO SOLUTION.) 1 2 log4x log4(x 8} = 5. DETAILS Oil Submissions Used MY NOTES ASK YOUR TEACHER A biologist wants to know the width w of a river to properiy set instruments for an experiment. From point A, the biologist walks downstream 100 feet and sights to point C (see gure). From this sighting, it is determined that 9 = 52. How wide is the river? (Round your answer to one decimal place.)