For
, we expect
. Then recalling that
, we have

Then by definition of tangent,

Kim’s speed is 2.5 miles per hour. Hope this helped!
Hi , the answer is -1 , because -1 is the number that is closest to zero.
Answer:
Head=3cm
Body=12cm
Tail=5cm
Step-by-step explanation:
H= head
B=body
T=tail
B =4h
T=2+h
Total length= 20cm
20cm = b+t+h
20cm= 4h+(2+h)+h
20cm= 6h+2
18cm=6h
3cm=h
Body 4(3)=12
Tail= 2+3= 5