A rectangular swimming pool has a width that is 5 feet longer than its length. Let l represent the length of the pool in feet. The entire pool is surrounded by a 2-foot-wide uniform walkway. What does the expression (L)(L +5) represent? part A
A. The are of the pool only
B. The area of the pool and the walkway
C. The perimeter of the pool
D. The perimeter of the pool and the walkway

part B. What does the expression (L + 4)(L + 9) represent? *
A. The are of the pool only
B. The area of the pool and the walkway
C. The perimeter of the pool
D. The perimeter of the pool and the walkway

solution:

as, mean is defined as sum of all the observations divided by total number of observations.

and , median is mid value of the data whether arranged in ascending order or descending order.

consider, roadsters:

2,3,4,5,6,7,8,9

mean =

also, median= , because number of observations is even, so median is mean of two mid values.

now, coming to bandits

2,3,4,5,6

mean =  

median = 4, as number of observations is odd.

so, roadsters has greater median as well mean than bandits.

→option a is true about the repairs performed on 2 types of cars:

bandits have lower median and mean than roadsters.

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

could

step-by-step explanation:

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