You just need to make them all the same common denominator. do you still need help?
Answer:
D.
Step-by-step explanation:
If she connects it to any other point the angle would be more then 30 degrees.
Answer:
x = 6.5
Step-by-step explanation:
By property of intersecting secants outside of circle.

Answer:
10/4
Step-by-step explanation:
Randomthing2143 is right
If the distance around the earth means circumference, it is, 24,887.64.(not rounded.) C=pi D (pi=3.14 + d=diameter)