In rhombus abcd the measure in inches of ab is 3x+2 and bc is x+12 find the number of inches in the length of dc

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

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

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b