Answer:

Step-by-step explanation:
step 1
Find the circumference of the complete circle
The circumference is equal to

we have

substitute


step 2
Find the measure of the arc length for a central angle of 280 degrees
Remember that the circumference subtends a central angle of 360 degrees
so by proportion

step 3
Find the perimeter of the playground

Multiply by 3

Round to the nearest integer

The correct answer choice for this question is (x+8,y+4). Helps to count the difference between the points A->A’ and so on...
Answer: x ≤ −23/4 or x> -2
Step-by-step explanation:
there's 90 seconds in an hour and a half