Answer:

Step-by-step explanation:

Answer: #13 you need to know that the sides are equal. #14 (7,6)
Step-by-step explanation: #14 in picture
Step-by-step explanation:
Let U=universal set
C=students who drink coke
P = students who drink pepsi
the length of the line is 2 1/16
If x approach infinity then (x² + 1)/(2x² +1) = 1/2 then lim as x approach infinity
lim y = arccos 1/2 = 1.047