Simplify using the distributive property. 9 × 81

The distributive property: a(b + c) = ab + ac

9 × 81 = 9 × (80 + 1) = (9)(80) + (9)(1) = 720 + 9 = 729

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

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