16b^12-3(-8b^12)=16b^12-(-24b^12)=40b^12
Answer:
y=1/3x
Step-by-step explanation:
Answer: b
Step-by-step explanation: because there were only four friends
Since the total measure of all the angles of a triangle is always 180, solve for x with the equation: 3x+1+2x-3+9x=180. x=13. Now plug in x and look for the smallest one, which will be B. 23 degrees.