Answer:
C. Reasons for changes in trends can be identified.
Step-by-step explanation:
The others would all be disadvantages.
Answer:
2: p x 3
Step-by-step explanation:
Answer: 10x + 4y + 2
The terms with an x are considered like terms so they could be subtracted.
P(both work) = ((10-3)/10)*((10-3-1)/9) = (7/10)*(6/9) = 42/90
<span>P(at least one does not work) = 1 - P(both work) = 1 - 42/90 = 48/90 = 24/45.</span>