What is the value of m? 0.61m−1.51m=9

first you need to subtract .61m and 1.51m to get -.9m=9

then you divide -.9 to get m=10

Step-by-step explanation:

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