What is the multiple zero and multiplicity of f(x) = (x - 1)(x - 1)(x + 7)?
multiple zero = 1; multiplicity = 2
multiple zero = 2; multiplicity = 1
multiple zero = 2; multiplicity = -1
multiple zero = -1; multiplicity = 2

The discrete random variables x and y take integer values with joint probability distribution given by f (x,y) = a(y−x+1) 0 ≤ x ≤ y ≤ 2 or =0 otherwise, where a is a constant. 1 tabulate the distribution and show that a = 0.1.2 find the marginal distributions of x and y. 3 calculate cov(x,y).4 state, giving a reason, whether x and y are independent. 5 calculate e(y|x = 1).

If i want to read a 124-page book in 3 weeks how many pages would i have to read each day?

For each expression use a property to write an equivalent expression. tell which property you used. ab 5(3x-2)