The nearest whole percent would just be 62%
.50(150)+30=$105
8(32)+12 = $268
For the 2nd equation, you need solve for y to get it by itself so once thats done you get y=9x+27 but since the x values (also the slope) aren't equal, they can't be parallel
Answer: the chiled is 3 years old
Step-by-step explanation:
