Answer:
the first one is. hope helps
Explanation:
Midline: it is a horizontal line where half of the function above it and half of the function is below it.
Amplitude: It means how far the function varies from the midline to the above and below.
Period: the distance between two consecutive maximum points (minimum points).
3) From the graph,

Answer: Midline=1
1) Amplitude

2) Periods

4) The trigonometric equation is,

Answer:
Step-by-step explanation:
the second equation should be multiplied by 9
Answer:
It takes him 7 minutes to do 21 problems
Step-by-step explanation:
15/5=3
He did 21 problems
So you would then do...
21/3=7
Answer:
12.Dragon
13.You could round each to the nearest 10. estimate is 360
Step-by-step explanation:
hope this helps :) Pls mark me brainliest :)))