Answer:
The answer is A.
Step-by-step explanation:
The size of the lawn is not dependent how much water is used, however the amount of water used is dependent on the size of the lawn (be it larger or smaller).
Yes the relation is a function
The half life would be about 3 so making the percentage About 25%
Answer: Attached.
Step-by-step explanation:
Either solve the equations directly, or graph them and look for the point of intersection.
Answer:
B) 12.6π ; 39.6
Step-by-step explanation:
Circumference:
C = 2πr
C = 2(3.14)(6.3)
C = 6.28(6.3)
C = 39.6
C = 2πr
C = 2π6.3
C = 12.6π