Idon’t understand all correct answers

see below

Step-by-step explanation:

1) 2 / 3

2) 3 / 5

3) 5 / 2

4) 3

5) 5

6) 3 + 2 = 5

7) 15

8) 3 x 5 = 15 golden

   2 x 5 = 10 dwarf

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option