Find a degree 3 polynomial that has zeros - 1, 3 and 8 and in which the coefficient of x^2 is -40

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50