Verify the equation: (tan⁡x+tan⁡y)/(1-tan⁡x tan⁡y )=(cot⁡x+cot⁡y)/(cot⁡x cot⁡y-1)

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12