Answer:
c=19.21
<C=90
<B=38.66°
<A=51.34
Step-by-step explanation:
12²+15²=c²
144+225=c²
For angle B, the sinB=Opposite over Hypotenuse
sinB=12/19.21
sinB=0.62467
B=sin^-1(0.62467)
To find A, 180-90-38.66
-px + r = -8x - 2
Add 2 to both sides
-px + r + 2 = -8x
Add px to both sides
r + 2 = -8x + px
Divide both sides by p - 8
= x
7
The digit '0' is in the ones place.