For the first one, the answer is -1 1/5
for the second one, the answer is 2.75
for the third one and fourth one,
To divide fractions take the reciprocal (invert the fraction) of the divisor and multiply the dividend. This is the quickest technique for dividing fractions. The top and bottom are being multiplied by the same number and, since that number is the reciprocal of the bottom part, the bottom becomes one
Here is your answer wish you good luck
Here is the required diagram .

Alternate angles are equal .
Answer:
Undefined
Step-by-step explanation:
Slope us (y2-y1)/(x2-x1)
(9-4)/(3-3)
Cant divide by zero