Determine this systems of equations no solution, one solution, infinitely many solutions y=5x-20
4x+12=y

Standard deviation of 19,29,21,22,23

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer