30 points simplify these expressions: a) 2 1/4x+(4 1/3x-7 4/5) divided by 2 3/5 b) 8x-1 1/7(1 1/3x-12)

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !