Answer:
y= 8
Step-by-step explanation:
In a Triangle we know,
W+Y+X=180 degree
then,
(180-52)+(4y-4)+3y=180
or, 128+4y-4+3y= 180
or, 7y= 180- 124
or, y= 56/7
or, y= 8
hope you got it.
Answer:
imaginary
Step-by-step explanation:

from the working strp, we know that the number is imaginary
we can't square root the negative number
After you measured it you can check if the measurement is correct by knowing radius and arc length using formula,
.
Hope this helps.
Answer:
get a calculator and do 28 - 25%
Step-by-step explanation:
I forget how to do this. I haven't done this in awhile.