This is my work and only part 1
19. -x-2 = 2/3x + 3
5/3 x + 3 = -2
5/3x = -5
x = -3
20. none are correct, you can double check me by plugging in the x and y values in the coordanates into the first problem none of them worked out in the first equasion so no need to test the second
21. -3 is the answer, capable of being done by using desmos
Answer:
The answer is y = 3(4)^x or answer choice C
Answer:
The new position is 190 feet below sea
Step-by-step explanation:
240-50=190
