25d - 250 | - 575d^2 + 2277d + 34362
1. 40
2. 43
its just like subtracting when you add a negative number to a positive one. flip them around! makes it a lot easier.
B = 40.95d + 50.70 .......
20% can be represented as 1/5.
Therefore you're expected to win 1 ticket out of every 5 you purchase. So if you purchase 50 you can expect to win 10 tickets. Therefore the answer is C.
Answer:
Yes
Step-by-step explanation:
Because 6.3hours is still in the range 5.5+/-1.8 hours
Therefore the result support the findings of the study.
