Ali has 126 marbles. He has 3 times as many marbles as ravi. Janice has 20 marbles more than ravi. a) How many marbles does janice have?
b) How many marbles do they have altogether?

Which of the following is a justification used while proving the similarity of triangles lom and mon

Asalad dressing recipe calls for 1 teaspoon of vinegar and three tablespoons of olive oil to only make 1/3 of the recipe for a single portion how much of each ingredient would you need

Let x have probability generating function gx (s) and let un generating function u(s) of the sequence uo, u1, satisfies p(x > n). show that the (1- s)u(s) = 1 - gx(s), whenever the series defining these generating functions converge.