Plz help with this math problem: -6+9(8-2b)​

-18b + 66

Step-by-step explanation:

-6 + 9(8 - 2b)​

-6 + 72 - 18b

-18b + 66

66 - 18b

Step-by-step explanation:

-6+9(8-2b)

You will open the bracket first. This will be:

= -6 + 9(8-2b)

= -6 + 72 - 18b

= 66 - 18b

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