exam Maths Puzzle Numerical Ability

I have to write in standard form and determine the values of a,b, and c. CAn you please help me?

Page 575
Number 6

3x^2 + 10x + 8 = -17x - 2

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exam Other Question

There are 13 flavors at the local icecream parlor.Is the the number 13 prime or a composite number?If it is composite,write the number as the product of prime numbers. The department store has determined that 7% of sales will be retuened. For the next 10 sales determine the following:
1. The expected number of return.
2. The variance.
3. The