mary has a 12 acre farm. she planted 3/4 of it with corn. she planted 2/3 with yellow corn. how many acres of yellow corn did mary plant? PL HELP MEEE

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

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?

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?