Answer:
y= 1/2 x +7
the slope is 1/2 since hwne it's perpendicular, it's reciprocal and the sign also changes
Step-by-step explanation:
3= -4 +b
b= 7
7+8= 15 so the second answer
Answer: 11 people have a brother in the left circle, 6 people have neither in the center circle, and 9 people have a sister in the far right circle.
9 because the symbols around -12 and -3 so they would just become positive number 12 and 3. Subtract them and you get 9 :)