Answer:
f=21
Step-by-step explanation:
The equation you could write is -4f=-84. Solving this (dividing by -4 on both sides), your answer is that f=21.
Answer:
x= 100º
y= 260º
Step-by-step explanation:
x= 180º-42º-38º
x= 100º
y= 360º-100º
y=260º
(I'm not sure if it's right, but I hope I helped :) )
Answer:
Step-by-step explanation:
???