In the video at the beginning of the lesson, how many 2-topping pizza combinations were there if there were 7 toppings to choose
2 answers:
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Answer : B
x^2-9x+14
Lets factor
We find out two factors whose product is +14 and sum is -9
Two factors are -2 and -7, we split the middle term -9x using -2 and -7
Group first two terms and last two terms
Then factor out GCF from each term
so x-2 is one of the factor
The expression that represents the amount that was not paid off is
<u>Solution:</u>
Given, In 1995, the federal government paid off one-third of its debt. If the original amount of the debt was $ 4.920,000,000,000
We have to find which expression represents the amount that was not paid off
Now, we know that, amount that is not paid off = total debt – paid amount
Hence the expression and value of debt amount that is not paid off is found