Answer:
-5 degrees
Step-by-step explanation:
you started at 75 degrees. it dropped at a rate of 10 degrees per hour. It's been eight hours. 8 times 10 equals 80. It dropped a total of 80 degrees. the starting 75 degrees minus the current 80 degrees equals -5 degrees.
C(x)=125x+75
You multiply 125 by how many family members and and the 75
X=5 if that's what you were asking for
-64, -50, -45, 28, 34, 65