Answer:
x = 10°
Step-by-step explanation:
8x + 50 = 130 (corresponding angles are equal)
8x = 80
x = 10°
1) ?=102 degrees
2) x=132 degrees
3) y=69 degrees and x=96 degrees
i hope the photo helps show you each step
629.20/520=1.21
Powerof6V1.21= 1.0323
Rate of interest 3.23