Answer:
x=8
Step-by-step explanation:
I think you mean find x, not m.
since angle DEG and angle GEF are a linear pair, they equal 180º.
18x-9 + 4x+13 = 180
22x + 4 = 180
subtract 4 from each side
22x = 176
divide each side by 22
x=8
Answer:
I think (D)
Step-by-step explanation:
that would be 3 minutes and 45 seconds (:
/ also means division so the answer is 42.75