the rate of change of sales tax on trousers is 10% one can buy a pair of trousers at$660. What is the marked price?
1 answer:
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The value of a is 9, the correct option is B.
Given
Hank’s teacher asked him to verify that the product (y−3)(y2+3y+9), is a difference of cubes.
<h3>Quadratic equation;</h3>The equation which has the highest degree is 2 is called quadratic equation;
Where a, b, and c are the constants.
The given polynomial is;
On multiplying the terms;
On comparing;
Hence, the value of a is 9.
To know more about polynomial click the link is given below.