Answer:
it's a whole both it's fraction
You add 2 to each of the three sides.
okay?
-11< -x+2< 8
-2 -2 -2
--------------------
-13< -x <2
Divide by negative 1
-13< -x <2
--------------
-1
Switch the signs direction
13> x > -2
tada
Pick 100 km for D...
<span>This would yield T=100 minutes </span>
<span>Using the question stem we calculate 80 km were traveled in 1h (or 60 minutes).... </span>
<span>This leaves us with 40 minutes (2/3 of an hour) to travel 20km..... </span>
<span>R*T=D </span>
<span>R*2/3=20 </span>
<span>R=30 </span>
<span>Answer A....</span>
The answer is 12.56.
I just used the area of circle formula
The formula is 3.14 x r^2
2 x 2 is 4
4 x 3.14 is 12.56
Pls mark brainleist
