Answer:
C≈40.21cm
Step-by-step explanation:
40.192
the radius is half of the diameter so the diameter is 12.8 now 12.8 times pi / 3.14
Equation is y = -3/4x + 12.
Distance between -23 & 17 = 40
7
mean is average of the numbers
add all values then divide by the numbers
(1+5+8+10+11) / 5
35 / 5 = 7