the correct answer is b (x+3,y-2)
Answer:

Step-by-step explanation:


First department can choose the pair (delegate,alternate) by 7*6 = 42 ways.
Second department can choose the pair (delegate,alternate) by 10*9 = 90 ways.
Third department can choose the pair (delegate,alternate) by 6*5 = 30 ways.
Since these selections are INDEPENDENT, the resulting choice can be done in 42*90*30=113400
228 ft²
To find the area of any rectangular space, you multiply its length by its width. In this case, you multiply together 12 and 19 to get 228.
Answer: C
Step-by-step explanation: Hope this help :D