Hank’s teacher asked him to verify that the product (y – 3)(y2 + 3y + 9) is a difference of cubes. he used the distributive property to multiply the binomial times the trinomial. before simplifying, his product was a polynomial of the form y3 + 3y2 + ay – 3y2 – ay – 27. what is the value of a in the polynomial?

Solve the inequality and graph 6j - 7 < 5

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.