How do i add and subtract polynomials?
(4v--5v^3)+(5v^3+4)

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1