Given: W(2,-3), X(-4,9), Y(5,y) and Z(-1,1), find the value of y so that WX is perpendicular to YZ

Polynomial that can be factored as (3x-4)(3x+4)

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

Select the two pairs of figures that are similar.