Answer:-a^2-a+12
Step-by-step explanation:
(-a+3)(a+4)
Clear brackets
-a^2-4a+3a+12
Add like terms
-a^2-a+12
Lake Erie
Step-by-step explanation:
Answer: 819.73 yd²
<u>Step-by-step explanation:</u>

= 
= 
= 29 * 30
= 870

= π(4)²
= 16π
≈ 50.27
Area of the park = 
= 870 - 50.27
= 819.73
Answer: It is expected to increase by 240 people
Step-by-step explanation: 0.04*6000=240
Answer:
Using the Law of Diminishing Marginal Utility, Jane would not be better off buying one more fry, since the marginal utility she obtains from the fries are lower when compared to the chicken sandwich; therefore, she would be better off ordering another chicken sandwich