If you're simplifying the equation your answer is going to become -d^3 +3d^2 +23d -30


so, the percentage of the rate is 0.185, what's that as a percentage? well, 0.185 * 100, 18.5%.
Answer:

Step-by-step explanation:



5y=-25,
y=-5
correct answer (1,-5)
Total number of sheets are 12.
Total number of white sheets= 9
Total number of red sheets = 3
Probability = Number of favorable outcomes/ total number of outcomes.
Hence
When Calvin throws the sheets in the air, the probability that he gets a white sheet is

which equals to 
that becomes 0.75