Answer:
A
Step-by-step explanation:
If you divide 180 by 60 you can see that they send 3 texts a minute after you divide 45 by three and see that they have 15 minutes left the Number line diagram shows the amount of time and texts she can send.
All I can tell you is 12x16=192
Concentric circles because if a line is tangent to one circle, it would only intersect teh other
radius -15
Surface Area of a sphere =4πr^2
=4x22/7x15x15
=19800/7
=2828.57
