4. Approximate 39 to the nearest whole number

its 4 because 2 times 2 is 4, if you double the number two you get four

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

1/800 is the right answer