Recrangle mnop with verticles m(-7,-2) , n(-5,-1) , o(-2,-7) , p(-4,-8) reflect in y = -1

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

How are algebraic expressions evaluated using substitution?