Answer:
The Answer for a is $175
Step-by-step explanation:
Thats all I know sorry
Step-by-step explanation:



X = 10
y = -2
x/y = 10/-2
x/y = -5
Hence, x/y = z
Let the ratio be termed as 4x and 2x.
Now,
4x + 2x= 90
or,6x=90
or,x=90/6
or,x=15
So the measure of angles are,4x= 4×15
= .........
and,2x=2×15 =.....
=12, I think, can I have Brainly