Answer:

Step-by-step explanation:

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Answer:

Step-by-step explanation:
Exponential function
is
increasing if 
decreasing if 

Answer:
X=-12
Step-by-step explanation:
9-16-5=X
-12=X
X=-12
Answer:
Student A: Testing plant growth in different types of soils
Student B: Comparing the water level in a lake during different times of the year
Step-by-step explanation:
Student A because it requires a hypothesis
Student B because it requires a hypothesis Student
A because it can be done in natural settings
Student B because it can be done in natural settings
Answer:
Mean = Sum of Values ÷ Total number of Values
Step-by-step explanation:
= 15+5+16+9+14+3+4+18+10+4 ÷ 10
= 98 ÷ 10
= 9.8 (Decimal point moves 1 place to the left when divided by 10)