8-5=3 : This means you add three each time
f(5)=8+3=1
f(6)=11+3=14
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Answer:
15,17,19
Step-by-step explanation:
Make an equation : 
Solve the equation:



Since x=15 then the second number is 17 and then 19
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To find the area you would had to do a an triangle formula so the final answer would be 63 inches
Answer:
Step-by-step explanation:
the height is 80 m
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Answer:

Step-by-step explanation:
