Which of the following is a method used to solve systems of equations? a. substitution b. graphing c. gaussian elimination d. all of the above

A.s.a.! similarity in right triangles, refer to the figure to complete this proportionc/a = a/? a.) cb.) hc.) rd.) s

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.

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?