What is 20 mulitpyed by 50

2x minus y equals 6, x plus y equals negative 3

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?