Question 2 Factorise completely:
2.2 a²-7a-30
2.4 -8a³+8a
2.6 15x⁴-15y⁴
2.8 2(x-y)²-x+y

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Orly uses 2 cups of raisins for every 12 cups of trail mix she makes. how many cups of trail mix will she make if she uses 8 cups of raisins?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3