Urgent! when (1-2x)^P is expanded, the coefficient of x^2 is 40. Given that P>0 find the value of P

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Can someone me out here and the tell me the greatest common factor

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?